Problem: A dolphin trainer has a total of 10 dolphins. 3 of them are mature dolphins while the rest are young dolphins. How many young dolphins does the trainer have?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The trainer has a total of 10 dolphins.
   * 3 of the dolphins are mature.
   * The rest of the dolphins are young.

2. Calculate the number of young dolphins:
   * Number of young dolphins = Total dolphins - Mature dolphins
   * Number of young dolphins = 10 - 3
   * Number of young dolphins = 7

Therefore, the dolphin trainer has 7 young dolphins.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: Sarah had 4 candies. After her friend gave her some more, she had a total of 10 candies. How many candies did her friend give her?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Sarah initially had 4 candies.
   * After her friend gave her some more candies, she had a total of 10 candies.

2. To find the number of candies Sarah's friend gave her, we need to subtract the initial number of candies from the total number of candies:
   * Number of candies given by her friend = Total candies - Initial candies
   * Number of candies given by her friend = 10 - 4
   * Number of candies given by her friend = 6

Therefore, Sarah's friend gave her 6 candies.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: There are 10 books put together on a shelf. If 4 of them are fantasy novels, how many of the books are science fiction novels?

Claude-3 Opus:

To solve this problem, let's organize the given information:
* There are 10 books in total on the shelf.
* 4 of the books are fantasy novels.
* We need to find out how many of the remaining books are science fiction novels.

However, the problem does not provide any information about the number of science fiction novels. We only know the total number of books and the number of fantasy novels.

Without additional information, we cannot determine the exact number of science fiction novels on the shelf. The remaining 6 books (10 total - 4 fantasy) could be any combination of science fiction novels and other genres.

### Answer: There is not enough information to determine the number of science fiction novels on the shelf.

Expected answer: 6

Correct? No

Problem: Billy has 10 bikes in his shop. If 3 of them are racing bikes, how many of them are mountain bikes?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Billy has a total of 10 bikes in his shop.
   * 3 of these bikes are racing bikes.

2. To find the number of mountain bikes, we need to subtract the number of racing bikes from the total number of bikes:
   * Number of mountain bikes = Total bikes - Racing bikes
   * Number of mountain bikes = 10 - 3
   * Number of mountain bikes = 7

Therefore, 7 out of the 10 bikes in Billy's shop are mountain bikes.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: Barry the bear has some honey jars. If Barry the bear finds 10 more honey jars, he has a total of 16 honey jars. How many honey jars did Barry the bear have to begin with?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Barry the bear has some honey jars.
   * If he finds 10 more honey jars, he will have a total of 16 honey jars.

2. Let's represent the number of honey jars Barry had initially with a variable, say 'x'.

3. Now, we can write an equation based on the given information:
   * Initial honey jars (x) + 10 more honey jars = 16 total honey jars
   * Equation: x + 10 = 16

4. To find the initial number of honey jars, we need to solve the equation for 'x'.
   * Subtract 10 from both sides of the equation:
     x + 10 - 10 = 16 - 10
     x = 6

Therefore, Barry the bear had 6 honey jars to begin with.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: Brad bought 10 kg of potatoes from the store. He had previously consumed 6 kg. How many kg of potatoes does he have left?

Claude-3 Opus:

Let's organize the information we have:
* Brad bought 10 kg of potatoes from the store.
* He had previously consumed 6 kg of potatoes.

To find out how many kg of potatoes Brad has left, we need to subtract the amount he consumed from the total amount he bought.

Calculation:
* Potatoes left = Potatoes bought - Potatoes consumed
* Potatoes left = 10 kg - 6 kg = 4 kg

Therefore, Brad has 4 kg of potatoes left.

### Answer: 4 kg

Expected answer: 4

Correct? Yes

Problem: John had 10 dollars in his wallet. After spending 9 dollars, how much money does he have left in his wallet?

Claude-3 Opus:

Let's solve this problem step by step:
1. John initially had 10 dollars in his wallet.
2. He spent 9 dollars.
3. To find out how much money John has left, we need to subtract the amount he spent from the initial amount he had.

Calculation:
* Initial amount: $10
* Amount spent: $9
* Money left = Initial amount - Amount spent
* Money left = $10 - $9 = $1

Therefore, John has 1 dollar left in his wallet.

### Answer: $1

Expected answer: 1

Correct? Yes

Problem: A building has 10 windows in total. 5 of those windows are on its upper floor. How many windows are there on the lower floor?

Claude-3 Opus:

Let's solve this step by step:

1. We know the total number of windows in the building is 10.
2. We also know that 5 of these windows are on the upper floor.
3. To find the number of windows on the lower floor, we need to subtract the number of windows on the upper floor from the total number of windows.

Number of windows on the lower floor = Total windows - Windows on the upper floor
Number of windows on the lower floor = 10 - 5 = 5

Therefore, there are 5 windows on the lower floor of the building.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: Sean wrote 17 letters. If the number of letters he wrote is equal to the number of letters he wrote yesterday plus 10, how many letters did he write yesterday?

Claude-3 Opus:

Let's approach this step by step:

1. Understand the given information:
   * Sean wrote 17 letters today.
   * The number of letters he wrote today is equal to the number of letters he wrote yesterday plus 10.

2. Let's define a variable for the unknown quantity:
   * Let x be the number of letters Sean wrote yesterday.

3. Now, we can write an equation based on the given information:
   * x + 10 = 17

4. To find the number of letters Sean wrote yesterday, we need to solve the equation for x:
   * x + 10 = 17
   * x = 17 - 10
   * x = 7

So, Sean wrote 7 letters yesterday.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: Joyce bought a skirt for 10 dollars and she spent some money to get it altered. The total amount she spent for the skirt, including alterations, was 18 dollars. How much did Joyce spend on the alterations?

Claude-3 Opus:

Let's organize the information we have:
* Joyce bought a skirt for $10.
* She spent some additional money on alterations.
* The total amount she spent, including the skirt and alterations, was $18.

To find out how much Joyce spent on the alterations, we need to subtract the cost of the skirt from the total amount she spent.

Amount spent on alterations = Total amount spent - Cost of the skirt
Amount spent on alterations = $18 - $10
Amount spent on alterations = $8

Therefore, Joyce spent $8 on the alterations for her skirt.

### Answer: $8

Expected answer: 8

Correct? Yes

Problem: Barry had 10 toy cars. He received some more toy cars for his birthday and now he has 16. How many toy cars did he receive for his birthday?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Barry initially had 10 toy cars.
   * After his birthday, he now has 16 toy cars.

2. To find the number of toy cars Barry received for his birthday, we need to subtract the number of cars he had initially from the total number of cars he has now.

3. Number of cars received = Total cars now - Initial number of cars
   * Number of cars received = 16 - 10
   * Number of cars received = 6

Therefore, Barry received 6 toy cars for his birthday.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: A ballerina has just finished a breathtaking performance and has received 10 bouquets of flowers. If we know that the ballerina received one bouquet from her coach, how many bouquets did she receive from her fans?

Claude-3 Opus:

Let's organize the information we have:
* The ballerina received a total of 10 bouquets of flowers.
* One of these bouquets was from her coach.

To find out how many bouquets she received from her fans, we need to subtract the bouquet from her coach from the total number of bouquets.

Number of bouquets from fans = Total bouquets - Bouquets from coach
Number of bouquets from fans = 10 - 1 = <<10-1=9>>9

Therefore, the ballerina received 9 bouquets from her fans.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: If you start with the number 6 and want to add a number n to it so that it equals 10, what is the value of n?

Claude-3 Opus:

Let's approach this step by step:

1) We start with the number 6.

2) We want to add a number n to 6 so that the result is 10.

3) In mathematical terms, this can be written as an equation:
   
   6 + n = 10

4) To find the value of n, we need to subtract 6 from both sides of the equation:
   
   6 + n - 6 = 10 - 6
   
   n = 4

Therefore, the value of n that needs to be added to 6 to get 10 is 4.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: An elephant walked 8 miles in the morning. It walked a few more miles in the afternoon to total up its distance to 10 miles. How many miles did the elephant walk in the afternoon?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The elephant walked 8 miles in the morning.
   * The total distance walked by the elephant is 10 miles.

2. To find the distance the elephant walked in the afternoon, we need to subtract the morning distance from the total distance:
   * Afternoon distance = Total distance - Morning distance
   * Afternoon distance = 10 miles - 8 miles
   * Afternoon distance = 2 miles

Therefore, the elephant walked 2 miles in the afternoon.

### Answer: 2 miles

Expected answer: 2

Correct? Yes

Problem: A robot needs 10 units of energy to start and run for 1 hour, but to keep running for another hour, it needs additional 'w' units of energy. If the total energy required for the robot to run for 2 hours is 13 units, how many extra units of energy does it need to run for the additional hour?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The robot needs 10 units of energy to start and run for 1 hour.
   * To keep running for another hour, it needs 'w' additional units of energy.
   * The total energy required for the robot to run for 2 hours is 13 units.

2. Set up an equation:
   * Energy for the first hour + Energy for the second hour = Total energy
   * 10 + w = 13

3. Solve the equation to find 'w':
   * 10 + w = 13
   * w = 13 - 10
   * w = 3

Therefore, the robot needs 3 extra units of energy to run for the additional hour.

### Answer: 3

Expected answer: 3

Correct? Yes

Problem: There are 19 pairs of ice skates in the shop. If 10 of them are black, how many of them are white?

Claude-3 Opus:

Let's solve this step by step:

1. We know that there are 19 pairs of ice skates in total.
2. Out of these 19 pairs, 10 are black.
3. To find the number of white pairs, we need to subtract the number of black pairs from the total number of pairs.

Number of white pairs = Total pairs - Black pairs
                      = 19 - 10
                      = 9

Therefore, there are 9 pairs of white ice skates in the shop.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: A princess has 17 magic gemstones. She uses 10 of them to create a magical shield. How many gemstones does she have left?

Claude-3 Opus:

Let's solve this problem step by step:

1. The princess initially has 17 magic gemstones.
2. She uses 10 of these gemstones to create a magical shield.
3. To find out how many gemstones she has left, we need to subtract the number of gemstones used from the total number of gemstones she had initially.

So, the number of gemstones left = Total gemstones - Gemstones used
* Total gemstones = 17
* Gemstones used = 10
* Number of gemstones left = 17 - 10 = 7

Therefore, the princess has 7 magic gemstones left after creating the magical shield.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: Tim has 10 roses right now. Later, he receives 'w' more roses, totaling his count up to 11 roses. How many roses did Tim receive?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Tim initially has 10 roses.
   * After receiving 'w' more roses, Tim's total count becomes 11 roses.

2. Set up an equation to represent the situation:
   * Initial roses + Received roses = Total roses
   * 10 + w = 11

3. Solve the equation to find the value of 'w':
   * 10 + w = 11
   * w = 11 - 10
   * w = 1

Therefore, Tim received 1 rose.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: There is 10 person in a house including 1 homeowner. How many guests are there in the house?

Claude-3 Opus:

To find the number of guests in the house, we need to subtract the number of homeowners from the total number of people in the house.

Given:
- There are 10 people in the house.
- There is 1 homeowner in the house.

Number of guests = Total number of people - Number of homeowners
Number of guests = 10 - 1 = 9

### Answer: There are 9 guests in the house.

Expected answer: 9

Correct? Yes

Problem: Judy has 19 marshmallows in her bag. She had 10 marshmallows initially and then added some more. How many marshmallows did she add in her bag?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Judy has 19 marshmallows in her bag now.
   * She initially had 10 marshmallows in her bag.
   * She added some more marshmallows to her bag.

2. To find out how many marshmallows Judy added, we need to subtract the initial number of marshmallows from the total number of marshmallows she has now.

3. Calculation:
   * Marshmallows added = Total marshmallows now - Initial marshmallows
   * Marshmallows added = 19 - 10
   * Marshmallows added = <<19-10=9>>9

Therefore, Judy added 9 marshmallows to her bag.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: The zoo has 10 monkeys in total. If 9 of them are brown, how many of the monkeys are not brown?

Claude-3 Opus:

Let's solve this step by step:

1. The zoo has a total of 10 monkeys.
2. Out of these 10 monkeys, 9 are brown.
3. To find the number of monkeys that are not brown, we need to subtract the number of brown monkeys from the total number of monkeys.

Number of monkeys that are not brown = Total number of monkeys - Number of brown monkeys
Number of monkeys that are not brown = 10 - 9 = <<10-9=1>>1

Therefore, 1 monkey is not brown.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: A jeweler has 10 rings on display. He later adds h more rings to his display and the total number of rings becomes 18. How many rings did the jeweler add?

Claude-3 Opus:

Let's solve this step by step:

1. Initially, the jeweler had 10 rings on display.
2. After adding some rings, the total number of rings became 18.
3. Let's denote the number of rings added as h.
4. We can write an equation to represent the situation:
   * Initial number of rings + Number of rings added = Total number of rings
   * 10 + h = 18

5. To find the value of h, we subtract 10 from both sides of the equation:
   * 10 + h = 18
   * 10 - 10 + h = 18 - 10
   * h = 18 - 10
   * h = 8

Therefore, the jeweler added 8 rings to his display.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: A snowman requires 10 lbs of snow for its bottom half. However, the half was initially built with 9 lbs and then more snow was added. How much additional snow was added to the bottom half of the snowman?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The bottom half of the snowman requires 10 lbs of snow.
   * Initially, the bottom half was built with 9 lbs of snow.
   * More snow was added to the bottom half to reach the required amount.

2. Calculate the additional snow needed:
   * Additional snow = Required snow - Initial snow
   * Additional snow = 10 lbs - 9 lbs
   * Additional snow = 1 lb

Therefore, 1 lb of additional snow was added to the bottom half of the snowman.

### Answer: 1 lb

Expected answer: 1

Correct? Yes

Problem: A wind speed increases by 3 miles per hour from the morning to the afternoon. If the wind speed in the afternoon is 10 miles per hour, what was the wind speed in the morning?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The wind speed increases by 3 miles per hour from the morning to the afternoon.
   * The wind speed in the afternoon is 10 miles per hour.

2. To find the wind speed in the morning, we need to subtract the increase from the afternoon wind speed:
   * Morning wind speed = Afternoon wind speed - Increase in wind speed
   * Morning wind speed = 10 miles per hour - 3 miles per hour
   * Morning wind speed = 7 miles per hour

Therefore, the wind speed in the morning was 7 miles per hour.

### Answer: 7 miles per hour

Expected answer: 7

Correct? Yes

Problem: Jonny had some candies with him. Then his mom gave him 10 more candies. Now, Jonny has a total of 14 candies. How many candies did Jonny initially have?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Jonny had some candies initially.
   * His mom gave him 10 more candies.
   * Now, Jonny has a total of 14 candies.

2. Let's represent the number of candies Jonny had initially with a variable, say 'x'.

3. After his mom gave him 10 more candies, the total number of candies became 14. We can represent this as an equation:
   * Initial candies (x) + 10 = 14

4. To find the number of candies Jonny had initially, we need to solve the equation:
   * x + 10 = 14
   * x = 14 - 10
   * x = 4

Therefore, Jonny had 4 candies initially.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: A building has 10 windows in total. If 5 of these are on the ground floor, how many windows are there on the other floors?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The building has a total of 10 windows.
   * 5 of these windows are on the ground floor.

2. To find the number of windows on the other floors, we need to subtract the number of windows on the ground floor from the total number of windows:
   * Windows on other floors = Total windows - Windows on the ground floor
   * Windows on other floors = 10 - 5
   * Windows on other floors = 5

Therefore, there are 5 windows on the other floors of the building.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: A constellation has 10 stars. If the total number of stars in the constellation is 15, then how many more stars were added to it?

Claude-3 Opus:

Let's solve this step by step:

1. Initially, the constellation had 10 stars.
2. The total number of stars in the constellation is now 15.
3. To find the number of stars added, we need to subtract the initial number of stars from the total number of stars.

Number of stars added = Total number of stars - Initial number of stars
Number of stars added = 15 - 10 = 5

Therefore, 5 more stars were added to the constellation.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: Max has 4 scooters. His friend lends him some more and now Max has 10 scooters. How many scooters did his friend lend him?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Max initially has 4 scooters.
   * After his friend lends him some scooters, Max has a total of 10 scooters.

2. To find out how many scooters Max's friend lent him, we need to subtract the number of scooters Max had initially from the total number of scooters he has now.

3. Calculation:
   * Scooters lent by Max's friend = Total scooters Max has now - Scooters Max had initially
   * Scooters lent by Max's friend = 10 - 4
   * Scooters lent by Max's friend = <<10-4=6>>6

Therefore, Max's friend lent him 6 scooters.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: Sam has a piano with 9 working keys. But his piano isn't complete and needs some additional keys. If a complete piano has 10 keys, how many additional keys does Sam's piano need?

Claude-3 Opus:

Let's organize the information we have:
* Sam's piano has 9 working keys.
* A complete piano has 10 keys.

To find out how many additional keys Sam's piano needs, we should subtract the number of keys Sam's piano has from the total number of keys a complete piano has.

Number of additional keys needed = Total keys on a complete piano - Keys on Sam's piano
* Total keys on a complete piano = 10
* Keys on Sam's piano = 9
* Number of additional keys needed = 10 - 9 = 1

Therefore, Sam's piano needs 1 additional key to be complete.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: A room initially had 10 chairs. After adding some more, the total count lifts to 11 chairs. How many chairs were added?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Initially, the room had 10 chairs.
   * After adding some chairs, the total count became 11 chairs.

2. To find the number of chairs added, we need to subtract the initial number of chairs from the final number of chairs:
   * Chairs added = Final number of chairs - Initial number of chairs
   * Chairs added = 11 - 10
   * Chairs added = 1

Therefore, 1 chair was added to the room.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: A farmer has 12 chickens on his farm. He brought 10 from the market but the rest were hatched on the farm. How many chickens were hatched on the farm?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The farmer has a total of 12 chickens on his farm.
   * He brought 10 chickens from the market.
   * The remaining chickens were hatched on the farm.

2. To find the number of chickens hatched on the farm, we need to subtract the number of chickens brought from the market from the total number of chickens on the farm.

   Chickens hatched on the farm = Total chickens - Chickens brought from the market
   Chickens hatched on the farm = 12 - 10
   Chickens hatched on the farm = <<12-10=2>>2

Therefore, 2 chickens were hatched on the farm.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: At a farm, there are 19 geese in total. In the morning 10 geese were seen at the pond. How many more geese arrived at the pond by the end of the day to make the total number 19?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * There are 19 geese in total at the farm.
   * In the morning, 10 geese were seen at the pond.
   * We need to find how many more geese arrived at the pond by the end of the day.

2. Calculate the number of geese that arrived at the pond after the morning:
   * Total geese at the farm = 19
   * Geese at the pond in the morning = 10
   * Additional geese that arrived = Total geese - Geese in the morning
   * Additional geese that arrived = 19 - 10 = 9

Therefore, 9 more geese arrived at the pond by the end of the day to make the total number 19.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: A turtle walks a total of 10 feet every morning. If today it started 8 feet ahead of its usual starting position, how far did it walk from that position?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The turtle usually walks a total of 10 feet every morning.
   * Today, it started 8 feet ahead of its usual starting position.

2. The question is asking how far the turtle walked from its new starting position.

3. Since the turtle walks 10 feet every morning, and it started 8 feet ahead today, it will still walk the same distance as usual.

Therefore, the turtle walked 10 feet from its new starting position.

### Answer: 10 feet.

Expected answer: 2

Correct? No

Problem: In a game of scrabble, Jane has 10 letters. She needs 16 letters to spell out the phrase she has planned to get maximum points. How many more letters does she need?

Claude-3 Opus:

To solve this problem, let's organize the given information:
* Jane currently has 10 letters.
* She needs a total of 16 letters to spell out her planned phrase.

To find out how many more letters Jane needs, we should subtract the number of letters she has from the number of letters she needs.

Number of additional letters needed = Number of letters needed - Number of letters Jane has
* Number of additional letters needed = 16 - 10
* Number of additional letters needed = <<16-10=6>>6

Therefore, Jane needs 6 more letters to spell out her planned phrase.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: James has some letters in his mail box. After receiving 7 more letters, he finds that he has a total of 10 letters. How many letters were there in James' mailbox originally?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * James has some unknown number of letters in his mailbox initially.
   * He receives 7 more letters.
   * After receiving the new letters, he has a total of 10 letters.

2. Let's represent the unknown number of letters initially in the mailbox as 'x'.

3. We can write an equation based on the information:
   * Initial letters (x) + New letters (7) = Total letters (10)
   * Equation: x + 7 = 10

4. To find the initial number of letters, we subtract 7 from both sides of the equation:
   * x + 7 - 7 = 10 - 7
   * x = 3

Therefore, James had 3 letters in his mailbox originally.

### Answer: 3

Expected answer: 3

Correct? Yes

Problem: A glasses store originally had 10 glasses on display. By the end of the day, the store had 17 glasses on display. How many glasses were added to the display throughout the day?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Initially, the store had 10 glasses on display.
   * By the end of the day, the store had 17 glasses on display.

2. To find the number of glasses added to the display, we need to find the difference between the final number of glasses and the initial number of glasses.

3. Calculate the difference:
   * Glasses added = Final number of glasses - Initial number of glasses
   * Glasses added = 17 - 10
   * Glasses added = 7

Therefore, 7 glasses were added to the display throughout the day.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: A hotel room initially has 13 towels. After some guests leave, there are now 10 remaining. How many towels had the guest taken with them when they left?

Claude-3 Opus:

To solve this problem, let's organize the given information:
* The hotel room initially had 13 towels.
* After the guests left, there are 10 towels remaining.

To find out how many towels the guests took with them, we need to subtract the remaining towels from the initial number of towels.

Initial towels - Remaining towels = Towels taken by guests
13 - 10 = 3

Therefore, the guests took 3 towels with them when they left.

### Answer: 3

Expected answer: 3

Correct? Yes

Problem: Jane keeps her rings in a jewelry box. If she has 15 rings in total and she had already placed 10 rings in the box, how many more rings does she need to put in the box?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Jane has a total of 15 rings.
   * She has already placed 10 rings in the jewelry box.

2. To find out how many more rings Jane needs to put in the box, we need to subtract the number of rings already in the box from the total number of rings:
   * Remaining rings = Total rings - Rings already in the box
   * Remaining rings = 15 - 10
   * Remaining rings = 5

Therefore, Jane needs to put 5 more rings in the jewelry box.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: John has 10 pillows on his bed. He buys some more and after adding them, he has 11 pillows in total on his bed. How many pillows did John buy?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * John initially has 10 pillows on his bed.
   * After buying some more pillows, he has a total of 11 pillows on his bed.

2. To find the number of pillows John bought, we need to subtract the initial number of pillows from the total number of pillows:
   * Number of pillows bought = Total pillows - Initial pillows
   * Number of pillows bought = 11 - 10
   * Number of pillows bought = 1

Therefore, John bought 1 pillow.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: An alien has 10 eyes but 2 of them got damaged in a battle. How many eyes does the alien have left now?

Claude-3 Opus:

Let's solve this problem step by step:

1. Initially, the alien had 10 eyes.
2. During a battle, 2 of the alien's eyes got damaged.
3. To find the number of eyes the alien has left, we need to subtract the number of damaged eyes from the total number of eyes.

Number of eyes left = Total eyes - Damaged eyes
Number of eyes left = 10 - 2 = <<10-2=8>>8

Therefore, the alien has 8 eyes left now.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: Henry had a certain number of erasers. He then bought 10 more erasers from a store. Now, he has 18 erasers in total. How many erasers did Henry have initially?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Henry had an unknown number of erasers initially.
   * He bought 10 more erasers.
   * After buying the new erasers, he has a total of 18 erasers.

2. Let's represent the unknown number of erasers Henry had initially with a variable, say 'x'.

3. We can write an equation based on the information:
   * Initial erasers (x) + Bought erasers (10) = Total erasers (18)
   * Equation: x + 10 = 18

4. Solve the equation to find the initial number of erasers:
   * x + 10 = 18
   * x = 18 - 10
   * x = <<18-10=8>>8

Therefore, Henry had 8 erasers initially.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: Liam had 10 pairs of pants. He donated 6 pairs, and was left with the rest. How many pairs of pants did he keep?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Liam had 10 pairs of pants in total.
   * He donated 6 pairs of pants.
   * We need to find out how many pairs of pants he kept.

2. Calculate the number of pairs of pants Liam kept:
   * Pairs of pants kept = Total pairs of pants - Pairs of pants donated
   * Pairs of pants kept = 10 - 6
   * Pairs of pants kept = 4

Therefore, Liam kept 4 pairs of pants.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: A scientist sees 12 birds with his binoculars. He first counted 10 in one tree and then noticed the rest on another branch. How many birds were on the other branch?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The scientist saw a total of 12 birds.
   * He first counted 10 birds in one tree.
   * The rest of the birds were on another branch.

2. To find the number of birds on the other branch, we need to subtract the number of birds in the first tree from the total number of birds:
   * Birds on the other branch = Total birds - Birds in the first tree
   * Birds on the other branch = 12 - 10
   * Birds on the other branch = <<12-10=2>>2

Therefore, there were 2 birds on the other branch.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: In a sandbox, there are 10 toys buried. When a child stopped playing, it was discovered that there were actually 18 toys. How many toys were missed out or not noticed by the child while playing?

Claude-3 Opus:

Let's organize the information we have:
* Initially, there were 10 toys buried in the sandbox.
* After the child stopped playing, it was discovered that there were actually 18 toys in the sandbox.

To find out how many toys were missed or not noticed by the child while playing, we need to find the difference between the actual number of toys and the number of toys initially thought to be buried.

Missed toys = Actual number of toys - Initially buried toys
Missed toys = 18 - 10 = 8

Therefore, 8 toys were missed or not noticed by the child while playing.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: A particular model of a door is installed in 10 rooms of a hotel. If there are 17 rooms with this type of door installed in total, how many more rooms have the same door installed?

Claude-3 Opus:

Let's organize the information we have:
* There are 10 rooms in the hotel that have a particular model of door installed.
* In total, there are 17 rooms with this type of door installed.

To find out how many more rooms have the same door installed, we need to subtract the number of rooms in the hotel with this door from the total number of rooms with this door.

Number of additional rooms with the same door = Total rooms with the door - Rooms in the hotel with the door
* Number of additional rooms with the same door = 17 - 10
* Number of additional rooms with the same door = 7

Therefore, there are 7 more rooms that have the same door installed.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: A dolphin trainer trains 10 dolphins. He then decides to train some more and ends up with 12 trained dolphins in total. How many additional dolphins did he train?

Claude-3 Opus:

Let's solve this step by step:

1. Initially, the trainer had 10 trained dolphins.
2. After training some more dolphins, the trainer now has 12 trained dolphins in total.
3. To find the number of additional dolphins trained, we need to subtract the initial number of trained dolphins from the total number of trained dolphins.

Additional dolphins trained = Total trained dolphins - Initially trained dolphins
Additional dolphins trained = 12 - 10 = 2

Therefore, the trainer trained 2 additional dolphins.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: Tim had 10 scoops of ice cream. He decided to add some more scoops to his ice cream sundae to make it 11 scoops in total. How many additional scoops of ice cream did he add?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Tim initially had 10 scoops of ice cream.
   * After adding some more scoops, his sundae had a total of 11 scoops.

2. To find the number of additional scoops, we need to subtract the initial number of scoops from the total number of scoops:
   * Additional scoops = Total scoops - Initial scoops
   * Additional scoops = 11 - 10
   * Additional scoops = 1

Therefore, Tim added 1 additional scoop of ice cream to his sundae.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: A slide in the park is 12 feet tall. If the top part measures 10 feet, what is the length of the lower section of the slide?

Claude-3 Opus:

To find the length of the lower section of the slide, we need to use the Pythagorean theorem. Let's solve this step by step.

Given:
- The slide is 12 feet tall (this is the height of the right triangle).
- The top part measures 10 feet (this is the base of the right triangle).

Let's call the length of the lower section of the slide x.

Step 1: Write the Pythagorean theorem.
a² + b² = c², where a and b are the lengths of the legs, and c is the length of the hypotenuse.

Step 2: Substitute the known values into the equation.
10² + x² = 12²

Step 3: Simplify the equation.
100 + x² = 144

Step 4: Subtract 100 from both sides of the equation.
x² = 144 - 100
x² = 44

Step 5: Take the square root of both sides to find the value of x.
x = √44
x = 6.63 (rounded to two decimal places)

Therefore, the length of the lower section of the slide is approximately 6.63 feet.

### Answer: 6.63 feet

Expected answer: 2

Correct? No

Problem: A marshmallow package usually contains 10 pieces. However, after sharing some with her friends, Lila only has 3 marshmallows left. How many marshmallows did she share with her friends?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * A full marshmallow package contains 10 pieces.
   * Lila has 3 marshmallows left after sharing some with her friends.

2. To find out how many marshmallows Lila shared, we need to subtract the number of marshmallows she has left from the total number of marshmallows in a full package:
   * Marshmallows shared = Total marshmallows - Marshmallows left
   * Marshmallows shared = 10 - 3
   * Marshmallows shared = 7

Therefore, Lila shared 7 marshmallows with her friends.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: John has a guitar with 10 strings. Some of the strings broke, but you know that being left with (e + 6) strings meant the guitar still had 10 strings. What is the value of e, i.e., how many strings were broken?

Claude-3 Opus:

Let's approach this step by step:

1) We know that John's guitar originally had 10 strings.

2) After some strings broke, the number of remaining strings is represented by the expression (e + 6).

3) We also know that (e + 6) equals 10, because the guitar still had 10 strings after some broke.

4) We can write this as an equation:
   
   e + 6 = 10

5) To find the value of e, we need to solve this equation. We can do this by subtracting 6 from both sides:
   
   e + 6 - 6 = 10 - 6
   
   e = 4

6) Therefore, the value of e is 4. This means that 4 strings were broken.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: In the first round of a game, Jacob scored 4 points. At the end of this round, his total points scored was 10. How many points did he score in the second round of the game?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * In the first round, Jacob scored 4 points.
   * At the end of the first round, his total points were 10.

2. To find the points scored in the second round, we need to subtract the points scored in the first round from the total points at the end of the first round:
   * Points in second round = Total points at end of first round - Points scored in first round
   * Points in second round = 10 - 4
   * Points in second round = 6

Therefore, Jacob scored 6 points in the second round of the game.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: Tommy has 10 balloons, but 9 of them flew away. How many balloons does he have left?

Claude-3 Opus:

Let's solve this problem step by step:

1. Tommy initially had 10 balloons.
2. 9 of his balloons flew away.
3. To find out how many balloons Tommy has left, we need to subtract the number of balloons that flew away from the total number of balloons he had initially.

10 - 9 = 1

Therefore, Tommy has 1 balloon left.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: In a marine park, the number of dolphins increased by 1 and the total number of dolphins became 10. How many dolphins were there originally in the park?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The number of dolphins increased by 1.
   * After the increase, the total number of dolphins became 10.

2. Let's define a variable for the original number of dolphins:
   * Let x = the original number of dolphins

3. Now, we can write an equation based on the information:
   * Original number of dolphins + 1 = Total number of dolphins after the increase
   * x + 1 = 10

4. Solve the equation:
   * x + 1 = 10
   * x = 10 - 1
   * x = 9

Therefore, there were originally 9 dolphins in the marine park.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: A pirate buried a treasure of gold coins in an island. He buried 'd' gold coins and then buried 5 more coins the next day. If the total number of buried coins is 10, how many coins did the pirate bury the first day?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The pirate buried 'd' gold coins on the first day.
   * The next day, he buried 5 more coins.
   * The total number of buried coins is 10.

2. Set up an equation:
   * Total coins = Coins buried on the first day + Coins buried on the second day
   * 10 = d + 5

3. Solve the equation for 'd':
   * 10 = d + 5
   * 10 - 5 = d + 5 - 5
   * 5 = d

So, the pirate buried 5 coins on the first day.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: A firefighter had to climb 10 flights of stairs to put out the fire. If he already climbed 8 floors, how many more floors does he have left to climb?

Claude-3 Opus:

Let's organize the information we have:
* The firefighter needs to climb a total of 10 flights of stairs.
* He has already climbed 8 floors.

To find out how many more floors he has left to climb, we need to subtract the number of floors he has already climbed from the total number of floors:

Remaining floors = Total floors - Climbed floors
Remaining floors = 10 - 8 = 2

Therefore, the firefighter has 2 more floors left to climb.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: A dragon had 10 scales. But it lost some and now it has 8 scales left. How many scales did the dragon lose?

Claude-3 Opus:

Let's solve this problem step by step:

1. Initially, the dragon had 10 scales.
2. Now, the dragon has 8 scales left.
3. To find the number of scales the dragon lost, we need to subtract the current number of scales from the initial number of scales.

Scales lost = Initial number of scales - Current number of scales
Scales lost = 10 - 8 = 2

Therefore, the dragon lost 2 scales.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: A florist has 18 roses in a vase. If she had added 10 roses to what she originally had, how many roses did she have to start with?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The florist has 18 roses in a vase now.
   * If she had added 10 roses to her original number of roses, she would have 18 roses.

2. Let's define a variable for the unknown quantity:
   * Let x be the number of roses the florist had to start with.

3. Set up an equation based on the given information:
   * Original number of roses + 10 = Current number of roses
   * x + 10 = 18

4. Solve the equation for x:
   * x + 10 = 18
   * x + 10 - 10 = 18 - 10
   * x = 8

Therefore, the florist had 8 roses to start with.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: On his map, John sees that the distance from his house to the park is 10 miles. If the total distance from his house to the movie theater is 17 miles, how far away is the park from the movie theater?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The distance from John's house to the park is 10 miles.
   * The total distance from John's house to the movie theater is 17 miles.

2. To find the distance from the park to the movie theater, we need to subtract the distance from John's house to the park from the total distance from John's house to the movie theater.

3. Distance from the park to the movie theater = Total distance from John's house to the movie theater - Distance from John's house to the park
   * Distance from the park to the movie theater = 17 miles - 10 miles
   * Distance from the park to the movie theater = <<17-10=7>>7 miles

Therefore, the park is 7 miles away from the movie theater.

### Answer: 7 miles

Expected answer: 7

Correct? Yes

Problem: John has 10 keys in total. If 8 of these are house keys, how many of his keys are not house keys?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * John has a total of 10 keys.
   * 8 of these keys are house keys.

2. To find the number of keys that are not house keys, we need to subtract the number of house keys from the total number of keys:
   * Number of non-house keys = Total keys - House keys
   * Number of non-house keys = 10 - 8
   * Number of non-house keys = 2

Therefore, 2 of John's keys are not house keys.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: You already have a collection of some crayons. You found one more and now you have a total of 10 crayons. How many crayons did you have before you found the extra one?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * You already had some crayons.
   * You found one more crayon.
   * Now you have a total of 10 crayons.

2. Let's represent the number of crayons you had before as a variable, say 'x'.

3. After finding one more crayon, the total number of crayons is 10. We can write an equation:
   * Initial number of crayons (x) + 1 = Total number of crayons (10)
   * x + 1 = 10

4. To find the initial number of crayons, we need to solve the equation:
   * x + 1 = 10
   * x = 10 - 1
   * x = 9

So, you had 9 crayons before you found the extra one.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: At a party, there were 10 people initially present. Then, some more people arrived and the total number of people at the party increased to 11. How many extra people arrived at the party?

Claude-3 Opus:

Okay, let's organize the information we have:
* Initially, there were 10 people at the party.
* After some more people arrived, the total number of people became 11.

To find out how many extra people arrived, we need to find the difference between the initial number of people and the final number of people.

Initial number of people = 10
Final number of people = 11

Extra people = Final number of people - Initial number of people
             = 11 - 10
             = 1

Therefore, 1 extra person arrived at the party.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: A dragon hoarded a fresh treasure of 11 gold coins in its lair. If it already had 10 gold coins, how many new coins did the dragon add to his hoard?

Claude-3 Opus:

Let's organize the information we have:
* The dragon already had 10 gold coins.
* The dragon hoarded a fresh treasure of 11 gold coins.

To find out how many new coins the dragon added to his hoard, we need to identify the number of coins that were recently added.

The problem states that the dragon hoarded a fresh treasure of 11 gold coins. This means that the dragon added 11 new coins to its existing hoard.

Therefore, the number of new coins the dragon added to its hoard is 11.

### Answer: 11

Expected answer: 1

Correct? No

Problem: A bunch of grapes has 10 fruits. If we add 'u' more grapes to it, the total number of grapes equals 16. How many grapes do we need to add to the bunch initially containing 10 grapes to make it 16?

Claude-3 Opus:

Let's solve this step by step:

1. Initially, the bunch of grapes has 10 fruits.
2. After adding 'u' more grapes, the total number of grapes becomes 16.
3. To find the number of grapes added, we can subtract the initial number of grapes from the final number of grapes:

   u = Final number of grapes - Initial number of grapes
   u = 16 - 10
   u = <<16-10=6>>6

Therefore, we need to add 6 grapes to the bunch initially containing 10 grapes to make it 16.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: A dairy farmer gathers milk from his cows. He already has 10 liters of milk and collects some more. After gathering the additional amount, he ends up with 12 liters of milk in total. How much milk did he collect this time?

Claude-3 Opus:

Let's organize the information we have:
* The farmer already had 10 liters of milk.
* After collecting more milk, he now has a total of 12 liters.
* We need to find out how much milk he collected this time.

To find the amount of milk the farmer collected, we can subtract the amount he already had from the total amount he ended up with:

Amount of milk collected = Total amount of milk - Amount of milk he already had
Amount of milk collected = 12 liters - 10 liters
Amount of milk collected = 2 liters

Therefore, the farmer collected 2 liters of milk this time.

### Answer: 2 liters

Expected answer: 2

Correct? Yes

Problem: In a video game, a player needs 10 coins to unlock a special item. The player already has 9 coins. How many more coins does the player need to unlock the item?

Claude-3 Opus:

To solve this problem, let's organize the given information:
* The player needs 10 coins to unlock the special item.
* The player already has 9 coins.

To find out how many more coins the player needs, we should subtract the number of coins the player already has from the total number of coins needed.

Coins needed = 10
Coins the player has = 9
Additional coins needed = Coins needed - Coins the player has
Additional coins needed = 10 - 9 = 1

Therefore, the player needs 1 more coin to unlock the special item.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: Samantha has a total of 11 books. If she had 10 books and then gets a few more as a gift, how many books did she receive as a gift?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Samantha has a total of 11 books now.
   * She had 10 books before receiving the gift.

2. To find the number of books Samantha received as a gift, we need to subtract the number of books she had before the gift from the total number of books she has now.

3. Number of books received as a gift = Total books now - Books before the gift
   * Number of books received as a gift = 11 - 10
   * Number of books received as a gift = 1

Therefore, Samantha received 1 book as a gift.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: John has 18 tubes of toothpaste in total. If he bought 10 of those tubes last week, how many did he have before his purchase?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * John has a total of 18 tubes of toothpaste now.
   * He bought 10 tubes of toothpaste last week.

2. To find out how many tubes of toothpaste John had before his purchase, we need to subtract the number of tubes he bought from the total number of tubes he has now.

3. Calculation:
   * Tubes of toothpaste before purchase = Total tubes - Tubes bought last week
   * Tubes of toothpaste before purchase = 18 - 10
   * Tubes of toothpaste before purchase = 8

Therefore, John had 8 tubes of toothpaste before his purchase last week.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: In a grocery shop, there are some cucumbers on a shelf. If 10 more cucumbers are added to the shelf, there will be a total of 15 cucumbers. How many cucumbers were originally on the shelf before the addition?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * There are some cucumbers on the shelf initially.
   * If 10 more cucumbers are added, there will be a total of 15 cucumbers.

2. Let's define a variable for the unknown quantity:
   * Let x be the number of cucumbers originally on the shelf.

3. Set up an equation based on the given information:
   * Original cucumbers + Added cucumbers = Total cucumbers
   * x + 10 = 15

4. Solve the equation for x:
   * x + 10 = 15
   * x + 10 - 10 = 15 - 10
   * x = 5

Therefore, there were originally 5 cucumbers on the shelf before the addition.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: In a puzzle competition, Kathy completed 10 puzzles and then continues to solve more. If her final tally for the day is 19 puzzles solved, how many more puzzles did she solve after the initial 10?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Kathy completed 10 puzzles initially.
   * Her final tally for the day is 19 puzzles solved.

2. To find the number of puzzles Kathy solved after the initial 10, we need to subtract the initial number of puzzles from the final tally:
   * Additional puzzles solved = Final tally - Initial puzzles solved
   * Additional puzzles solved = 19 - 10
   * Additional puzzles solved = 9

Therefore, Kathy solved 9 more puzzles after the initial 10.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: Billy has 10 stuffed animals in total. If 4 of them are teddy bears, how many of the stuffed animals aren't teddy bears?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Billy has a total of 10 stuffed animals.
   * 4 of these stuffed animals are teddy bears.

2. To find the number of stuffed animals that aren't teddy bears, we need to subtract the number of teddy bears from the total number of stuffed animals:
   * Number of non-teddy bear stuffed animals = Total stuffed animals - Number of teddy bears
   * Number of non-teddy bear stuffed animals = 10 - 4
   * Number of non-teddy bear stuffed animals = 6

Therefore, 6 of Billy's stuffed animals are not teddy bears.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: There are 17 tigers in a wildlife reserve. 10 of them are adults, how many of them are cubs?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * There are a total of 17 tigers in the wildlife reserve.
   * 10 of the tigers are adults.

2. To find the number of cubs, we need to subtract the number of adult tigers from the total number of tigers:
   * Number of cubs = Total tigers - Adult tigers
   * Number of cubs = 17 - 10
   * Number of cubs = 7

Therefore, there are 7 tiger cubs in the wildlife reserve.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: A magical unicorn has an unknown number of rainbow-colored gems (let's call this number 't'). If he finds 5 more gems, he will have 10 gems in total. How many gems does the unicorn currently have?

Claude-3 Opus:

Let's solve this problem step by step:

1. Let's define the variable:
   * Let 't' be the number of gems the unicorn currently has.

2. We know that if the unicorn finds 5 more gems, he will have 10 gems in total. We can represent this as an equation:
   * Current gems ('t') + 5 = 10

3. To find the number of gems the unicorn currently has, we need to solve the equation for 't':
   * t + 5 = 10
   * t = 10 - 5
   * t = 5

Therefore, the magical unicorn currently has 5 rainbow-colored gems.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: Ella is making a strawberry pie that requires 11 strawberries. She already has 10 strawberries. How many more strawberries does she need to make the pie?

Claude-3 Opus:

To solve this problem, let's organize the given information:
* Ella's strawberry pie recipe requires 11 strawberries.
* Ella already has 10 strawberries.

To find out how many more strawberries Ella needs, we should subtract the number of strawberries she already has from the total number of strawberries required for the recipe.

11 (total strawberries needed) - 10 (strawberries Ella has) = 1

Therefore, Ella needs 1 more strawberry to make the pie.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: In a store, there are 10 lamps. 2 of them are floor lamps, and the rest are table lamps. How many table lamps are there in the store?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * There are a total of 10 lamps in the store.
   * 2 of the lamps are floor lamps.
   * The remaining lamps are table lamps.

2. To find the number of table lamps, we need to subtract the number of floor lamps from the total number of lamps:
   * Number of table lamps = Total lamps - Floor lamps
   * Number of table lamps = 10 - 2
   * Number of table lamps = 8

Therefore, there are 8 table lamps in the store.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: A ballerina has 3 green tutus. She needs to have 10 in total for an upcoming series of performances. How many more tutus does she need to get?

Claude-3 Opus:

Let's organize the information we have:
* The ballerina currently has 3 green tutus.
* She needs a total of 10 tutus for her upcoming performances.

To find out how many more tutus she needs, we can subtract the number of tutus she already has from the total number of tutus she needs.

Number of additional tutus needed = Total tutus needed - Tutus she already has
* Number of additional tutus needed = 10 - 3
* Number of additional tutus needed = 7

Therefore, the ballerina needs to get 7 more tutus for her upcoming performances.

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: The school bus stops to pick up students. Initially, it has 10 students on board. After picking up some more students, there are 12 students in total on the bus. How many students did the bus pick up?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Initially, there were 10 students on the bus.
   * After picking up some more students, there are now 12 students in total on the bus.

2. To find out how many students the bus picked up, we need to subtract the initial number of students from the total number of students after picking up:
   * Number of students picked up = Total students after picking up - Initial students
   * Number of students picked up = 12 - 10
   * Number of students picked up = 2

Therefore, the bus picked up 2 students.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: A penguin lays 2 eggs in the morning and some more in the afternoon. If she laid a total of 10 eggs for the day, how many did she lay in the afternoon?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * The penguin lays 2 eggs in the morning.
   * The penguin lays some more eggs in the afternoon.
   * In total, the penguin laid 10 eggs for the day.

2. Let's define a variable for the unknown quantity:
   * Let x be the number of eggs the penguin laid in the afternoon.

3. Set up an equation based on the given information:
   * Total eggs = Morning eggs + Afternoon eggs
   * 10 = 2 + x

4. Solve the equation to find the number of eggs laid in the afternoon:
   * 10 - 2 = x
   * 8 = x

Therefore, the penguin laid 8 eggs in the afternoon.

### Answer: 8

Expected answer: 8

Correct? Yes

Problem: The school bus initially had 10 students. Then it stops at the next stop and several more students come on board and after that, there are 14 students on the bus. How many students came on the bus at the second stop?

Claude-3 Opus:

Let's solve this step by step:

1. Initially, there were 10 students on the bus.
2. After the bus stopped at the next stop, more students came on board.
3. After the second stop, there were 14 students on the bus.

To find out how many students came on the bus at the second stop, we need to subtract the initial number of students from the final number of students.

Students who came on at the second stop = Final number of students - Initial number of students
Students who came on at the second stop = 14 - 10 = 4

Therefore, 4 students came on the bus at the second stop.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: If Billy has 12 pairs of socks and he started with 10 pairs. How many pairs of socks was he given?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Billy started with 10 pairs of socks.
   * Billy now has 12 pairs of socks.

2. To find out how many pairs of socks Billy was given, we need to calculate the difference between the number of pairs he has now and the number of pairs he started with.

3. Calculate the number of pairs of socks Billy was given:
   * Pairs of socks given = Current pairs of socks - Initial pairs of socks
   * Pairs of socks given = 12 - 10
   * Pairs of socks given = 2

Therefore, Billy was given 2 pairs of socks.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: There are 10 doors on a corridor. One is the janitor's door and rest are room doors. How many room doors are there?

Claude-3 Opus:

Let's solve this step by step:

1. We know that there are a total of 10 doors in the corridor.
2. Out of these 10 doors, one is the janitor's door.
3. The rest of the doors are room doors.
4. To find the number of room doors, we need to subtract the number of janitor's doors from the total number of doors.

Number of room doors = Total doors - Number of janitor's doors
Number of room doors = 10 - 1 = 9

Therefore, there are 9 room doors in the corridor.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: In a library, you found a stack of 14 books. This stack includes 10 books that are from the non-fiction section, the rest are from the fiction section. How many books from the fiction section are present in the stack?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * There are 14 books in the stack.
   * 10 books in the stack are from the non-fiction section.
   * The remaining books are from the fiction section.

2. Calculate the number of fiction books:
   * Number of fiction books = Total books - Non-fiction books
   * Number of fiction books = 14 - 10
   * Number of fiction books = 4

Therefore, there are 4 books from the fiction section in the stack.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: A mailman delivers 7 letters in the morning. By the end of the day, he has delivered 10 letters in total. How many letters did he deliver after the morning?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The mailman delivered 7 letters in the morning.
   * By the end of the day, he had delivered a total of 10 letters.

2. To find the number of letters delivered after the morning, we need to subtract the number of letters delivered in the morning from the total number of letters delivered by the end of the day.

3. Number of letters delivered after the morning = Total letters delivered - Letters delivered in the morning
   * Number of letters delivered after the morning = 10 - 7
   * Number of letters delivered after the morning = 3

Therefore, the mailman delivered 3 letters after the morning.

### Answer: 3

Expected answer: 3

Correct? Yes

Problem: A color palette consists of 10 colors in total. It starts with 8 base colors and some additional colors are added. If the total number of colors remains 10, how many additional colors were added to the 8 base colors palette?

Claude-3 Opus:

Let's solve this step by step:

1. We know that the color palette consists of 10 colors in total.
2. The palette starts with 8 base colors.
3. Some additional colors are added, but the total number of colors remains 10.
4. To find the number of additional colors, we can subtract the number of base colors from the total number of colors:

   Additional colors = Total colors - Base colors
                     = 10 - 8
                     = 2

Therefore, 2 additional colors were added to the 8 base colors palette to make a total of 10 colors.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: A bear ate 9 fish from the river. If the bear needs to have eaten 10 fish in a day to be full, how many more fish does the bear need to catch?

Claude-3 Opus:

Let's organize the information we have:
* The bear ate 9 fish from the river.
* The bear needs to eat 10 fish in a day to be full.

To find out how many more fish the bear needs to catch, we need to subtract the number of fish the bear has already eaten from the number of fish the bear needs to eat to be full.

Number of fish needed = 10
Number of fish eaten = 9
Additional fish needed = Number of fish needed - Number of fish eaten
Additional fish needed = 10 - 9 = 1

Therefore, the bear needs to catch 1 more fish to be full.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: There are 15 kids at the playground. 10 kids are playing sandbox, the rest are sliding on the slide. How many kids are sliding on the slide?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * There are 15 kids in total at the playground.
   * 10 kids are playing in the sandbox.
   * The remaining kids are sliding on the slide.

2. To find the number of kids sliding on the slide, we need to subtract the number of kids playing in the sandbox from the total number of kids:
   * Number of kids sliding = Total kids - Kids playing in the sandbox
   * Number of kids sliding = 15 - 10
   * Number of kids sliding = 5

Therefore, 5 kids are sliding on the slide.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: Jay had a total of 10 balls. Unfortunately, 9 of them got lost while he was playing. How many balls did Jay originally have?

Claude-3 Opus:

In this problem, we already know the total number of balls Jay had originally. Let's break down the given information and find the answer.

Given:
- Jay had a total of 10 balls.
- 9 of the balls got lost while he was playing.

The question asks how many balls Jay originally had, which is already provided in the problem statement.

Therefore, the number of balls Jay originally had is 10.

### Answer: 10

Expected answer: 1

Correct? No

Problem: In a circus, there are 4 clowns performing in the morning. In the afternoon, some more clowns join them such that the total number of clowns performing at the circus becomes 10. Find out how many clowns joined in the afternoon?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * There are 4 clowns performing in the morning.
   * Some more clowns join in the afternoon.
   * The total number of clowns performing in the circus becomes 10.

2. To find the number of clowns that joined in the afternoon, we need to subtract the number of clowns performing in the morning from the total number of clowns performing in the circus.

3. Number of clowns that joined in the afternoon = Total number of clowns - Number of clowns in the morning
   * Number of clowns that joined in the afternoon = 10 - 4
   * Number of clowns that joined in the afternoon = <<10-4=6>>6

Therefore, 6 clowns joined in the afternoon.

### Answer: 6

Expected answer: 6

Correct? Yes

Problem: A constellation is made up of 10 stars. If one of the stars is hidden behind the moon, how many stars are left to be seen in that constellation?

Claude-3 Opus:

To solve this problem, let's organize the given information:
* The constellation has 10 stars in total.
* One star is hidden behind the moon.

Now, let's find the number of stars that are left to be seen:
* Stars left to be seen = Total stars - Stars hidden behind the moon
* Stars left to be seen = 10 - 1
* Stars left to be seen = 9

Therefore, if one star is hidden behind the moon, there are 9 stars left to be seen in that constellation.

### Answer: 9

Expected answer: 9

Correct? Yes

Problem: A toothpaste brand packs 10 tubes of toothpaste into each box. If a store receives 14 tubes of toothpaste, how many did not come from a full box?

Claude-3 Opus:

Let's approach this step by step:

1. Find the number of full boxes:
   * Each box contains 10 tubes.
   * Number of full boxes = 14 ÷ 10 = 1 remainder 4
   * This means there is 1 full box and 4 tubes left over.

2. Find the number of tubes that did not come from a full box:
   * The 4 tubes that are left over did not come from a full box.

Therefore, 4 tubes of toothpaste did not come from a full box.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: Timmy had a certain number of toy cars. His friend gifted him 5 more, bringing the total number of toy cars to 10. How many toy cars did Timmy have initially?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Timmy had an unknown number of toy cars initially.
   * His friend gave him 5 more toy cars.
   * After receiving the gift, Timmy now has a total of 10 toy cars.

2. Let's represent the unknown number of toy cars Timmy had initially with a variable, say 'x'.

3. We can write an equation based on the information:
   * Initial number of toy cars (x) + Gift of 5 toy cars = Total of 10 toy cars
   * Equation: x + 5 = 10

4. Solve the equation to find the initial number of toy cars:
   * Subtract 5 from both sides of the equation:
     x + 5 - 5 = 10 - 5
     x = 5

Therefore, Timmy had 5 toy cars initially.

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: At a summer beach party, there were 10 beach balls already present. Then, a few more beach balls were added and the total number became 13. How many more beach balls were added at the party?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Initially, there were 10 beach balls at the party.
   * After adding some more beach balls, the total number became 13.

2. To find the number of beach balls added, we need to subtract the initial number of beach balls from the final number of beach balls:
   * Number of beach balls added = Final number of beach balls - Initial number of beach balls
   * Number of beach balls added = 13 - 10
   * Number of beach balls added = 3

Therefore, 3 more beach balls were added at the party.

### Answer: 3

Expected answer: 3

Correct? Yes

Problem: James has a total of 10 hours on his watch. He watches a movie for 2 hours and spends the other time chatting online. How long in hours did James chat online?

Claude-3 Opus:

To find out how long James chatted online, let's follow these steps:

1. Understand the given information:
   * James has a total of 10 hours on his watch.
   * He watches a movie for 2 hours.
   * The remaining time is spent chatting online.

2. Calculate the time James spent chatting online:
   * Time spent chatting online = Total time - Time spent watching the movie
   * Time spent chatting online = 10 hours - 2 hours
   * Time spent chatting online = 8 hours

Therefore, James chatted online for 8 hours.

### Answer: 8 hours

Expected answer: 8

Correct? Yes

Problem: There are 14 balloons at a party. If 10 balloons pop, how many balloons will be left?

Claude-3 Opus:

Let's solve this step by step:

1. Initially, there are 14 balloons at the party.
2. 10 balloons pop.
3. To find the number of balloons left, we need to subtract the number of popped balloons from the initial number of balloons.

Balloons left = Initial number of balloons - Number of popped balloons
Balloons left = 14 - 10 = 4

Therefore, after 10 balloons pop, there will be 4 balloons left at the party.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: John has a total of 12 beach balls. He just purchased 10 more to add to his collection. How many beach balls did he have originally?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * John has a total of 12 beach balls now.
   * He just purchased 10 more beach balls.

2. To find out how many beach balls John had originally, we need to subtract the number of beach balls he just purchased from the total number he has now.

3. Calculation:
   * Original number of beach balls = Total beach balls - Purchased beach balls
   * Original number of beach balls = 12 - 10
   * Original number of beach balls = 2

Therefore, John had 2 beach balls originally.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: Harris found 7 books in his backpack. If the total number of books he has is 10, how many books did he originally have in his backpack?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * Harris has a total of 10 books.
   * He found 7 books in his backpack.

2. To find the number of books he originally had in his backpack, we need to subtract the number of books he found from the total number of books he has:
   * Original books in backpack = Total books - Books found
   * Original books in backpack = 10 - 7
   * Original books in backpack = 3

Therefore, Harris originally had 3 books in his backpack.

### Answer: 3

Expected answer: 3

Correct? Yes

Problem: At a party, there are 9 people already present when a few more people arrive to make the total attendance 10. How many people arrived at the party?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * There were 9 people already present at the party.
   * After a few more people arrived, the total attendance became 10.

2. To find the number of people who arrived, we need to subtract the initial number of people from the total attendance:
   * Number of people who arrived = Total attendance - Initial number of people
   * Number of people who arrived = 10 - 9
   * Number of people who arrived = 1

Therefore, 1 person arrived at the party.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: A dragon had 10 gold coins in his cave. But a brave knight came and took 8 coins. How many gold coins does the dragon have left now?

Claude-3 Opus:

Let's solve this problem step by step:

1. Initially, the dragon had 10 gold coins in his cave.
2. The brave knight took 8 coins from the dragon's cave.
3. To find out how many gold coins the dragon has left, we need to subtract the number of coins taken by the knight from the initial number of coins the dragon had.

10 - 8 = <<10-8=2>>2

Therefore, the dragon has 2 gold coins left in his cave.

### Answer: 2

Expected answer: 2

Correct? Yes

Problem: A dolphin trainer currently has 9 dolphins and later acquires some additional ones, making the total number of dolphins in his care 10. How many dolphins did the trainer acquire?

Claude-3 Opus:

Let's solve this step by step:

1. Understand the given information:
   * The trainer initially had 9 dolphins.
   * After acquiring more dolphins, the total number became 10.

2. To find the number of dolphins the trainer acquired, we need to subtract the initial number of dolphins from the total number of dolphins:
   * Number of acquired dolphins = Total dolphins - Initial dolphins
   * Number of acquired dolphins = 10 - 9
   * Number of acquired dolphins = 1

Therefore, the trainer acquired 1 dolphin.

### Answer: 1

Expected answer: 1

Correct? Yes

Problem: A butterfly starts her day with 6 flowers and visits r more in the afternoon to get her total daily quota of 10 flowers. How many more flowers does she need to visit in the afternoon?

Claude-3 Opus:

Let's organize the given information:
- The butterfly starts her day with 6 flowers.
- She needs to visit a total of 10 flowers daily.
- She visits r more flowers in the afternoon.

To find the number of flowers she needs to visit in the afternoon, we can set up an equation:
* Initial flowers + Afternoon flowers = Total daily quota
* 6 + r = 10

Now, let's solve the equation for r:
* r = 10 - 6
* r = 4

Therefore, the butterfly needs to visit 4 more flowers in the afternoon to reach her total daily quota of 10 flowers.

### Answer: 4

Expected answer: 4

Correct? Yes

Problem: Eli has 10 toy cars in the sandbox. If he found a total of 11 toy cars in there, how many toy cars had been buried in the sandbox that he did not initially see?

Claude-3 Opus:

Let's solve this problem step by step:

1. Understand the given information:
   * Eli initially had 10 toy cars in the sandbox.
   * He found a total of 11 toy cars in the sandbox.

2. To find the number of toy cars that were buried and Eli did not initially see, we need to subtract the number of cars he initially had from the total number of cars he found.

3. Calculation:
   * Number of buried toy cars = Total toy cars found - Initially visible toy cars
   * Number of buried toy cars = 11 - 10
   * Number of buried toy cars = 1

Therefore, there was 1 toy car buried in the sandbox that Eli did not initially see.

### Answer: 1

Expected answer: 1

Correct? Yes