Problem: A number game starts with the number 13. To reach the number 14, a certain number must be added. What is that number?

Gemini-1.5 Flash:

To find the number that must be added to 13 to reach 14, we simply subtract 13 from 14:

14 - 13 = 1

### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: A car rental company had a total of 17 cars available in the morning. By the end of the day, they only had 4 cars left. How many cars were rented out during the day?

Gemini-1.5 Flash:

Reasoning: The car rental company rented out 17 - 4 = <<17 - 4 = 13>> 13 cars during the day. 

### Answer: 13

Expected answer: 13

Correct? Yes

Problem: A butterfly collector managed to catch 13 beautiful butterflies one morning. If at the end of the day there are only 6 butterflies in his collection, how many butterflies flew away during the day?

Gemini-1.5 Flash:

Reasoning: The butterfly collector had 13 butterflies and ended with 6 butterflies. So 13-6= <<13-6=7>>7 butterflies flew away. 

### Answer: 7

Expected answer: 7

Correct? Yes

Problem: After a birthday party, you see one piece of cake left. If you originally had a whole cake that was cut into h slices, and each slice was equal in size, then how many slices were there in the whole cake, given that 12 pieces have been eaten during the party?

Gemini-1.5 Flash:

Reasoning:  Since one slice remains, and 12 slices were eaten, the whole cake had 12 + 1 = 13 slices.
### Answer: 13 

Expected answer: 13

Correct? Yes

Problem: Anne has a collection of socks. She bought 15 new pairs and now she has a total of 20 pairs of socks. How many pairs did she originally have?

Gemini-1.5 Flash:

Reasoning: To find out how many pairs Anne originally had, we need to subtract the new pairs from the total number of pairs. 

So, Anne originally had 20 - 15 = 5 pairs of socks.

### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: A party decorator started with 8 helium balloons. After several accidents, only 1 balloon remained uninflated. How many balloons did the decorator accidentally inflate?

Gemini-1.5 Flash:

Reasoning: If the decorator started with 8 balloons and 1 remained uninflated, that means 8-1 = 7 balloons were accidentally inflated.

### Answer: 7 

Expected answer: 7

Correct? Yes

Problem: Jane started with 4 pencils. By the end of the day, she had 5 pencils. How many pencils did she find during the day?

Gemini-1.5 Flash:

Jane found 5 - 4 = 1 pencil during the day. 
### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: Oliver the dog has collected a total of 'o' bones in his backyard. If he would give 19 of these bones to his friend, he would be left with only 1 bone. How many bones did Oliver originally have in his backyard?

Gemini-1.5 Flash:

Reasoning: If Oliver gives away 19 bones, he'll have 1 left, which means he had 19 + 1 = 20 bones originally.
### Answer: 20 

Expected answer: 20

Correct? Yes

Problem: A superhero has a base super strength level of 1. However, when our superhero dons their super strength amulet, their strength level enhances to a total of 12 units. How many extra strength units does the super strength amulet provide?

Gemini-1.5 Flash:

Reasoning: The super strength amulet provides 12 - 1 = <<12-1=11>>11 extra strength units.
### Answer: 11 

Expected answer: 11

Correct? Yes

Problem: A train station has 17 trains scheduled for departure in a day. By late evening, only 15 are left to depart. How many trains have already departed during the day?

Gemini-1.5 Flash:

Reasoning:  The number of trains that have already departed is the total number of trains scheduled minus the number of trains remaining.

This means 17 - 15 = 2 trains have already departed.

### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A pencil factory had 11 pencils ready in the morning. By the end of the day, they had a total of 16 pencils after making a few more. How many more pencils did the factory make during the day?

Gemini-1.5 Flash:

Reasoning: To find out how many more pencils were made, we subtract the starting number from the final number: 16 - 11 = 5.

### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: The lifeguard started the day with a certain number of towels, but after handing some out, he only had 10 remaining. If he originally had 9 more than the remaining amount, how many towels did the lifeguard start with?

Gemini-1.5 Flash:

Reasoning: The lifeguard started with 10 + 9 = <<10+9=19>>19 towels. 
### Answer: 19 

Expected answer: 19

Correct? Yes

Problem: There were originally 14 candy bars in the candy jar. After a few hours, there are only 10 candy bars left. How many candy bars were taken?

Gemini-1.5 Flash:

Reasoning: We can find out how many candy bars were taken by subtracting the number of candy bars left from the original number of candy bars.  
14 candy bars (original) - 10 candy bars (left) = 4 candy bars taken.

### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: In a park, there were originally 19 swings. After some use, there were only 14 swings left undamaged. How many swings were damaged?

Gemini-1.5 Flash:

Reasoning: To find out how many swings were damaged, we need to subtract the number of undamaged swings from the original number of swings. So, 19 - 14 = 5 swings were damaged.
### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: A bottle manufacturing factory had already produced 5 bottles this morning, but their daily goal was to produce 12 bottles. How many more bottles need to be produced to reach the goal?

Gemini-1.5 Flash:

Reasoning: The factory needs to produce 12-5 = <<12-5=7>>7 more bottles to reach its goal.

### Answer: 7 

Expected answer: 7

Correct? Yes

Problem: Samantha has 13 green crayons. In total, she has 15 crayons. How many of her crayons are not green?

Gemini-1.5 Flash:

Reasoning: Samantha has 15 - 13 = <<15-13=2>>2 crayons that are not green.
### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A photography store starts the day with 9 digital cameras in stock. By the end of the day, they have 14 digital cameras in the store after receiving new stock. How many new digital cameras did they receive?

Gemini-1.5 Flash:

Reasoning: The store received 14 - 9 = <<14 - 9 = 5>> 5 new digital cameras. 
### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: A camper has 4 sleeping bags in their tent. Later on, they find 11 sleeping bags in total after their friends drop off their bags. How many sleeping bags did the camper's friends bring?

Gemini-1.5 Flash:

The camper's friends brought 11 sleeping bags - 4 sleeping bags = 7 sleeping bags.
### Answer: 7 

Expected answer: 7

Correct? Yes

Problem: A crazy cat lady had 7 cats. After adopting a number of stray cats, her total number of cats increased to 20. How many stray cats did she adopt?

Gemini-1.5 Flash:

Reasoning: To find out how many stray cats she adopted, we subtract the number of cats she initially had from the total number of cats after adopting the strays. 
So, the crazy cat lady adopted 20 - 7 = 13 stray cats.

### Answer: 13 

Expected answer: 13

Correct? Yes

Problem: Bill found 1 pair of binoculars in his drawer. He then realized that his total number of binoculars is 19 pairs when he added the ones he found in the attic. How many binoculars did Bill find in his attic?

Gemini-1.5 Flash:

Reasoning: Bill found 19 - 1 = 18 pairs of binoculars in his attic.

### Answer: 18 

Expected answer: 18

Correct? Yes

Problem: In a wildlife sanctuary, at the start of the day, there were 14 elephants hanging around the water hole. By afternoon, the number of elephants increased to 16. How many new elephants arrived at the water hole?

Gemini-1.5 Flash:

Reasoning: To find out how many new elephants arrived, we need to subtract the starting number of elephants from the final number.
The difference between the starting number and the final number is 16 - 14 = 2.

### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A mountain climber starts at a point that is m feet high. After climbing downwards for a while, they reach a point that's 10 feet high. If they had climbed down 4 feet to reach this point, how high was the point where they started?

Gemini-1.5 Flash:

Reasoning: The climber climbed down 4 feet, and they are now at a point that is 10 feet high.  This means they started 4 + 10 = 14 feet higher.

### Answer: 14 

Expected answer: 14

Correct? Yes

Problem: The color palette had a total of 12 color options. If 6 of those colors were warm colors, how many were cool colors?

Gemini-1.5 Flash:

Reasoning: Since there were 12 colors total and 6 were warm, there were 12-6 = <<12-6=6>>6 cool colors. 
### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: A pirate had 8 shiny gold coins in his treasure chest in the morning. By sunset, he had a total of 14 shiny gold coins in his chest. How many shiny gold coins did the pirate find during the day?

Gemini-1.5 Flash:

Reasoning: The pirate had 14 coins - 8 coins = <<14-8=6>>6 more coins at sunset than in the morning. 
### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: A turtle starts with 8 pieces of lettuce. After eating some more lettuce, it ends up with a total of 19 pieces of lettuce. How many pieces of lettuce does the turtle eat?

Gemini-1.5 Flash:

Reasoning: The turtle starts with 8 pieces and ends up with 19, so it ate 19-8 = <<19-8=11>>11 pieces of lettuce.

### Answer: 11 

Expected answer: 11

Correct? Yes

Problem: A river was flowing at a speed of 6 km/hr by late morning. In the early morning, its speed was 4 km/hr less. What was the speed of the river in the early morning?

Gemini-1.5 Flash:

Reasoning: The speed of the river in the early morning was 6 km/hr - 4 km/hr = 2 km/hr.
### Answer: 2 km/hr 

Expected answer: 2

Correct? Yes

Problem: In a children's alphabet game, there were initially 6 letter blocks. After a while, only 1 letter block remained on the game station. How many letter blocks were removed from the game station?

Gemini-1.5 Flash:

Reasoning: If there were initially 6 blocks and 1 block remained, then 6-1 = <<6-1=5>>5 blocks were removed. 

### Answer: 5

Expected answer: 5

Correct? Yes

Problem: At a party, 3 people decided to leave early. After their departure, 15 people remained at the party. How many people were originally at the party before anyone left?

Gemini-1.5 Flash:

Reasoning: If 15 people remained after 3 left, there were originally 15+3 = 18 people at the party.
### Answer: 18 

Expected answer: 18

Correct? Yes

Problem: Lucy has 9 letters in her mailbox initially. By the end of the day, she receives some more letters and the total number of letters in the mailbox is 19. How many letters does Lucy receive during the day?

Gemini-1.5 Flash:

Reasoning: Lucy received 19 - 9 = <<19-9=10>>10 more letters during the day.
### Answer: 10 

Expected answer: 10

Correct? Yes

Problem: In the food pantry, there were originally 17 cans of beans. Over the course of the day, some cans were distributed to people, and at the end of the day, there were 13 cans left. How many cans of beans were distributed that day?

Gemini-1.5 Flash:

Reasoning:  To find out how many cans were distributed, we subtract the number of cans left from the original number of cans: 17 - 13 = 4.

### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: A sock store started their day with 3 pairs of red socks. During the day, they decided to add more of the same socks following a new shipment. By the end of the day, they had 15 pairs of red socks. How many pairs of red socks did they add to their inventory?

Gemini-1.5 Flash:

Reasoning: To find out how many pairs of red socks were added, subtract the initial number of pairs from the final number: 15 pairs - 3 pairs = 12 pairs.

### Answer: 12 

Expected answer: 12

Correct? Yes

Problem: A farmer has 9 apple trees in his orchard already. Later, he decides to plant a number of new apple trees. After the planting, the total number of apple trees he has is 18. How many new apple trees did he plant?

Gemini-1.5 Flash:

Reasoning: The farmer planted 18 - 9 = <<18-9=9>>9 new apple trees.

### Answer: 9 

Expected answer: 9

Correct? Yes

Problem: A stationery store displayed 3 pens at the start of the day. By the end of the day, they had 8 pens on the display. How many pens did they add to the display during the day?

Gemini-1.5 Flash:

Reasoning:  They added 8 pens - 3 pens = 5 pens to the display.
### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: A marine biologist counts that there are 8 sharks currently swimming around the deep sea observatory. If the observatory initially had 7 sharks, how many new sharks arrived?

Gemini-1.5 Flash:

Reasoning: To find the number of new sharks, we subtract the initial number of sharks from the current number of sharks: 8 - 7 = 1.
### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: A kid's slide has 5 steps. By adding some more steps, the total becomes 8. How many steps were added to the slide?

Gemini-1.5 Flash:

Reasoning: To find out how many steps were added, we subtract the initial number of steps from the final number of steps: 8 steps - 5 steps = 3 steps. 
### Answer: 3 

Expected answer: 3

Correct? Yes

Problem: Chris has a collection of skateboards. After giving away 4 of his skateboards to friends, he ends up with 8 skateboards left. How many skateboards did Chris have at the beginning?

Gemini-1.5 Flash:

Reasoning: Chris had 8 + 4 = <<8+4=12>>12 skateboards at the beginning.
### Answer: 12 

Expected answer: 12

Correct? Yes

Problem: A pirate ship had a certain number of cannons. After a rough sea battle, it was left with 6 cannons. If the ship lost 5 cannons during the fight, how many cannons did it have before the battle?

Gemini-1.5 Flash:

Reasoning: Since the ship lost 5 cannons and was left with 6, it must have had 5+6 = 11 cannons before the battle.

### Answer: 11 

Expected answer: 11

Correct? Yes

Problem: A police department started the day with 16 patrol cars. As the day went on, some patrol cars were sent out on various assignments. By the afternoon, there were only 10 patrol cars left at the station. How many patrol cars were sent out on assignments?

Gemini-1.5 Flash:

Reasoning: To find out how many cars were sent out, we subtract the number of cars left at the station from the number they started with. 

16 patrol cars - 10 patrol cars = 6 patrol cars

### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: Initially, there were 12 pillows in a store. By the end of the day, there were only 6 pillows left. How many pillows were sold during the day?

Gemini-1.5 Flash:

Reasoning:  To find out how many pillows were sold, we subtract the number of pillows left from the initial number of pillows: 12 - 6 = 6 pillows. 

### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: Billy began packing for a camping trip. He already had 4 items in his backpack. By the time he stopped packing, there were 10 items total in his backpack. How many additional items did Billy add to his backpack?

Gemini-1.5 Flash:

Reasoning: Billy added 10 - 4 = <<10-4=6>> 6 items to his backpack.
### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: A jungle gym has 8 swings installed. Later in the day, more swings were added and the total number of swings became 20. How many more swings were added to the jungle gym?

Gemini-1.5 Flash:

Reasoning: To find out how many swings were added, subtract the initial number of swings from the total number of swings. 
So, 20 - 8 = 12 swings were added. 
### Answer: 12 

Expected answer: 12

Correct? Yes

Problem: In a wind energy farm, there are 15 wind turbines already operational. The total number of wind turbines in the farm is 17. How many more wind turbines were constructed and added to the farm?

Gemini-1.5 Flash:

Reasoning:  To find out how many more wind turbines were added, we subtract the number of operational turbines from the total number of turbines: 17 - 15.

### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: James owns a juice bar where he had 18 bottles of apple juice. After restocking, he counts a total of 20 bottles. How many bottles of apple juice did he add to the stock?

Gemini-1.5 Flash:

Reasoning: James added 20 - 18 = <<20-18=2>> bottles of apple juice to the stock.
### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: John started his guitar lessons with a collection of certain number of guitar picks. After playing for a while, he noticed that he has only 6 picks left, having lost 1. How many guitar picks did John originally start with?

Gemini-1.5 Flash:

Reasoning: John lost 1 pick, so he originally had 6 + 1 = 7 picks.

### Answer: 7 

Expected answer: 7

Correct? Yes

Problem: A florist starts their day with 7 daisies in their display. During the day they add some more daisies and by the end of the day, the total count of daisies is 9. How many daisies did they add during the day?

Gemini-1.5 Flash:

Reasoning: The florist started with 7 daisies and ended with 9 daisies, so they added 9 - 7 = 2 daisies during the day.

### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A firefighter hears a total of 6 alarms in one day. If he had heard 4 alarms before lunch, how many alarms did he hear after lunch?

Gemini-1.5 Flash:

Reasoning: The firefighter heard 6 - 4 = 2 alarms after lunch.
### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A crazy cat lady starts the day with 18 cats in her living room. After letting some of them go outside to play, only 17 cats remain in the living room. How many cats went outside to play?

Gemini-1.5 Flash:

Reasoning: To find out how many cats went outside, we subtract the number of cats remaining in the living room from the initial number of cats. 

18 cats - 17 cats = 1 cat

### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: A small snowman is built using 3 large snowballs. Over time, the snowman grows by an additional number of snowballs and becomes comprised of a total of 4 large snowballs. How many more snowballs were added to the snowman?

Gemini-1.5 Flash:

Reasoning: The snowman started with 3 snowballs and ended with 4 snowballs. To find the difference, we subtract the initial number of snowballs from the final number of snowballs: 4 - 3 = 1. 
### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: A fruit seller had 14 oranges in his basket. After some time, he found that he had 16 oranges in total after collecting some from his garden. How many oranges did he collect from his garden?

Gemini-1.5 Flash:

Reasoning: The fruit seller collected 16 - 14 = <<16-14=2>> 2 oranges from his garden. 
### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: At the start of an art project, you already have 13 red crayons in your art box. By the end of the day, after adding some more red crayons, you have a total of 16 red crayons. How many red crayons did you add in during the day?

Gemini-1.5 Flash:

You started with 13 red crayons and ended with 16.  To find out how many you added, subtract the starting amount from the ending amount: 16 - 13 = 3.

### Answer: 3 

Expected answer: 3

Correct? Yes

Problem: A puzzle maker had finished creating 11 picture puzzles by the end of last month. This month, he created a few more and now has a total of 20 picture puzzles. How many picture puzzles did the puzzle maker create this month?

Gemini-1.5 Flash:

Reasoning: The puzzle maker created 20 - 11 = <<20-11=9>>9 more picture puzzles this month. 
### Answer: 9 

Expected answer: 9

Correct? Yes

Problem: In a garden, there were originally 11 red roses. But by the end of the week, only 1 red rose was left after some were picked. How many red roses were picked from the garden during the week?

Gemini-1.5 Flash:

Reasoning: To find out how many roses were picked, we subtract the number of roses left from the original number: 11 - 1 = 10
### Answer: 10 

Expected answer: 10

Correct? Yes

Problem: A farmer had 16 apples in his basket. After some time, he noticed that there were only 5 apples left in his basket. How many apples were taken from the basket?

Gemini-1.5 Flash:

Reasoning:  The farmer had 16 apples and now has 5. To find out how many were taken, we subtract the smaller number from the larger number: 16 - 5 = 11.

### Answer: 11 

Expected answer: 11

Correct? Yes

Problem: An Unidentified Flying Object (UFO) was initially having 5 alien occupants on board. After some universal travels, the UFO had 8 alien occupants. How many extra aliens joined the UFO during its journey?

Gemini-1.5 Flash:

To find out how many extra aliens joined the UFO, we subtract the initial number of occupants from the final number:

8 (final occupants) - 5 (initial occupants) = 3

### Answer: 3 

Expected answer: 3

Correct? Yes

Problem: A toy store had 13 toy cars at the beginning of the day. By the end of the day, there was only 1 toy car left on the shelf. How many toy cars were sold during the day?

Gemini-1.5 Flash:

Reasoning:  To find out how many toy cars were sold, we subtract the number of cars left from the number of cars they started with.
 
So, 13 - 1 = 12 toy cars were sold.

### Answer: 12 

Expected answer: 12

Correct? Yes

Problem: A robot factory had 18 fully operational robots at the beginning of the day. But by the end of the day, there were only 16 operational robots left. How many robots stopped functioning during the day?

Gemini-1.5 Flash:

Reasoning: To find out how many robots stopped working, we need to subtract the number of operational robots at the end of the day from the number at the beginning. 
So, 18 - 16 = <<18 - 16 = 2>> 2 robots stopped functioning during the day. 
### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A circus has a certain number of tigers. After selling 3 of them to a zoo, they have 8 tigers left. How many tigers did the circus have originally?

Gemini-1.5 Flash:

Reasoning: The circus had 8+3 = <<8+3=11>> tigers originally.
### Answer: 11 

Expected answer: 11

Correct? Yes

Problem: The tiger population in a nature reserve was originally 15. Over time, perilous conditions led to the demise of some of the tigers, leaving only 5 tigers in the reserve. How many tigers were lost?

Gemini-1.5 Flash:

Reasoning:  To find out how many tigers were lost, we subtract the number of tigers remaining from the original number of tigers. 
This means we calculate 15 - 5 = <<15-5=10>>10 tigers.

### Answer: 10 

Expected answer: 10

Correct? Yes

Problem: The Jackson family has 6 jackets to begin with but they purchased some more at a yard sale. If they now have 12 jackets total, how many jackets did they purchase at the yard sale?

Gemini-1.5 Flash:

Reasoning: The Jackson family purchased 12-6 = <<12-6=6>>6 jackets at the yard sale. 
### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: A train initially has 16 cars. Part way through its journey, it detaches some cars and continues on with only 8 cars. How many train cars were detached during the journey?

Gemini-1.5 Flash:

To find out how many cars were detached, we subtract the number of cars remaining from the initial number of cars:

16 cars (initial) - 8 cars (remaining) = 8 cars 

### Answer: 8 

Expected answer: 8

Correct? Yes

Problem: A jewelry store has 1 bracelet in stock. Later, the store receives a fresh shipment, and the total number of bracelets increases to 4. How many bracelets were in the new shipment?

Gemini-1.5 Flash:

The store started with 1 bracelet and ended with 4.  To find out how many were in the shipment, we subtract the initial number from the final number: 4 - 1 = 3 bracelets.

### Answer: 3 

Expected answer: 3

Correct? Yes

Problem: A school bus started its morning route with 14 students on board. After dropping off some students at their respective schools, there were only 7 students left on the bus. How many students were dropped off in the morning?

Gemini-1.5 Flash:

Reasoning: To find out how many students were dropped off, we subtract the number of students remaining on the bus from the initial number of students. 
This means 14 - 7 = 7 students were dropped off.
### Answer: 7 

Expected answer: 7

Correct? Yes

Problem: A cheese maker produced 9 pounds of swiss cheese one morning. By the end of the day, the total cheese production was 16 pounds. How much more cheese (in pounds) was produced by the end of the day?

Gemini-1.5 Flash:

Reasoning: The cheese maker produced 16-9 = <<16-9=7>>7 more pounds of cheese by the end of the day.
### Answer: 7 

Expected answer: 7

Correct? Yes

Problem: Sarah counted her pillows and found out that she has a total of 6 pillows. If she recalls correctly, 4 of them are stuffed with feathers and the rest are stuffed with foam. How many of her pillows are stuffed with foam?

Gemini-1.5 Flash:

Reasoning: Sarah has 6 - 4 = <<6-4=2>>2 pillows stuffed with foam.
### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A binoculars maker started with 7 binoculars in the morning. By late afternoon, she had added few more, making a total of 11 binoculars. How many binoculars did she make in the afternoon?

Gemini-1.5 Flash:

Reasoning: The binoculars maker added 11 - 7 = <<11-7=4>>4 more binoculars in the afternoon.
### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: In a playground, there are originally 3 balls. As the day progresses, kids bring in some more balls and by the end of day, the total number of balls in the playground is 8. How many balls did kids bring to the playground?

Gemini-1.5 Flash:

Reasoning: To find out how many balls the kids brought, we need to subtract the original number of balls from the final number of balls.
So, the kids brought 8 - 3 = 5 balls to the playground.

### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: A fashion designer started with a total of a certain number of blue dresses. After selling 13 of them, there were only 2 left in stock. How many blue dresses did the designer start with?

Gemini-1.5 Flash:

Reasoning: If there were 2 dresses left after selling 13, the designer started with 2+13 = <<2+13=15>>15 dresses. 
### Answer: 15 

Expected answer: 15

Correct? Yes

Problem: In a party, there were 2 helium balloons floating above a child. Suddenly one of them popped, leaving just 1 balloon. How many balloons popped?

Gemini-1.5 Flash:

Only **one** balloon popped. 
### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: A pirate has stashed away 4 of his gold coins and now has only 1 left with him. How many gold coins did the pirate originally have before stashing them away?

Gemini-1.5 Flash:

Reasoning: If the pirate has 1 coin left after stashing 4 away, he originally had 1 + 4 = 5 coins.
### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: A desk drawer had 6 pens at the beginning of the day. At the end of the day, it acquired a total of 12 pens because some were dropped off in the drawer by office workers. How many pens did office workers drop off in the drawer throughout the day?

Gemini-1.5 Flash:

Reasoning: The drawer started with 6 pens and ended with 12 pens, so office workers dropped off 12 - 6 = <<12-6=6>>6 pens. 
### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: A shape enthusiast begins with a collection of 15 different types of shapes. Later, she decides to give some away and is left with 11 types of shapes. How many different types of shapes did she give away?

Gemini-1.5 Flash:

Reasoning: The shape enthusiast gave away 15-11=4 types of shapes. 
### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: A student has a backpack that initially contains 3 pencils. Later in the day, the student adds some more pencils to the backpack, bringing the total count to 20 pencils. How many additional pencils did the student put in the backpack?

Gemini-1.5 Flash:

The student added 20 - 3 = 17 pencils to the backpack. 
### Answer: 17 

Expected answer: 17

Correct? Yes

Problem: A zookeeper has 6 monkeys in one enclosure. Later in the day, some more monkeys are transferred into the enclosure, making a total of 7 monkeys. How many monkeys were transferred?

Gemini-1.5 Flash:

Reasoning: The zookeeper started with 6 monkeys and ended with 7.  To find out how many were transferred, we subtract the starting number from the final number: 7 - 6 = 1. 
### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: You were packing for a camping trip and counted 13 sleeping bags at the start. But when you finished packing, only 1 sleeping bag was left behind. How many sleeping bags did you pack for the trip?

Gemini-1.5 Flash:

You packed 13 - 1 = 12 sleeping bags for the trip.
### Answer: 12 

Expected answer: 12

Correct? Yes

Problem: A public park starts the day with 9 benches. By afternoon, they install some new ones making the total number of benches 10. How many new benches were installed?

Gemini-1.5 Flash:

Reasoning: To find out how many new benches were installed, we subtract the starting number of benches from the final number. So, 10 benches - 9 benches = 1 new bench. 
### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: A mermaid has 9 shimmering scales on her tail. But after a tough underwater race, she realizes that she has lost some, leaving her with just 4 intact scales. How many scales did the mermaid lose during the race?

Gemini-1.5 Flash:

Reasoning: To find out how many scales the mermaid lost, we subtract the number of scales she has left from the number she started with.
 
  9 scales - 4 scales = 5 scales

### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: A band has prepared 8 songs for a live performance. By the end of the concert, they've played 17 songs, due to audience requests and encore performances. How many additional songs did they end up playing?

Gemini-1.5 Flash:

The band played 17 songs total and had prepared 8 songs.  This means they played 17 - 8 = 9 extra songs. 
### Answer: 9 

Expected answer: 9

Correct? Yes

Problem: A hat maker starts a day with a certain number of wool hats in his shop. By noon, he sold 6 of these hats and was left with 9 hats. How many wool hats did he start the day with?

Gemini-1.5 Flash:

Reasoning: The hat maker had 9 hats left after selling 6, so he started with 9 + 6 = 15 hats.

### Answer: 15 

Expected answer: 15

Correct? Yes

Problem: A soap shop has 14 soaps in their inventory at the start of the day. By the end of the day, the total inventory counts to 19 soaps after making some more. How many soaps did they make during the day?

Gemini-1.5 Flash:

Reasoning: To find out how many soaps they made, we subtract the starting inventory from the ending inventory. 
They made 19 - 14 = <<19-14=5>> 5 soaps during the day.
### Answer: 5 

Expected answer: 5

Correct? Yes

Problem: Sylvia starts making soap with 10 bars from her last huge batch. By the end of the day, she ends up with 14 bars of soap by creating a few new ones. How many new bars of soap did Sylvia make?

Gemini-1.5 Flash:

Reasoning: Sylvia made 14 - 10 = <<14-10=4>>4 new bars of soap.
### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: A rope factory starts the day producing a rope of 13 meters long. By the end of the day, another rope, combined with the first one, makes up a total of 19 meters of rope. How long is the second rope they produced?

Gemini-1.5 Flash:

Reasoning: To find the length of the second rope, we subtract the length of the first rope from the total length: 19 meters - 13 meters = 6 meters.

### Answer: 6 meters 

Expected answer: 6

Correct? Yes

Problem: There were 2 beach balls scattered around the beach early in the morning. As the day progressed, there were 12 beach balls all over the beach. How many beach balls did the beach visitors bring with them?

Gemini-1.5 Flash:

Reasoning:  The visitors brought 12 - 2 = <<12-2=10>>10 beach balls with them.
### Answer: 10 

Expected answer: 10

Correct? Yes

Problem: A group of friends on a camping trip only had 1 piece of firewood left early in the night. By the end of the night, they managed to find and collect 10 pieces of firewood altogether. How many extra pieces of firewood did they find that night?

Gemini-1.5 Flash:

Reasoning: The group found 10 - 1 = <<10-1=9>> 9 extra pieces of firewood. 
### Answer: 9 

Expected answer: 9

Correct? Yes

Problem: You have a music store with 18 guitars in stock. During the day, a customer comes and buys a number of guitars. By the end of the day, you count and find that you have 16 guitars left. How many guitars did the customer buy?

Gemini-1.5 Flash:

Reasoning: The customer bought 18 - 16 = <<18-16=2>> guitars.
### Answer: 2 

Expected answer: 2

Correct? Yes

Problem: A bike shop has 4 mountain bikes on hand at the beginning of the day. By the end of the day, they have a total of 14 mountain bikes, as some new shipments have arrived. How many new mountain bikes were shipped to the shop today?

Gemini-1.5 Flash:

Reasoning: The shop had 14 total bikes at the end of the day and started with 4, meaning they received 14 - 4 = <<14-4=10>>10 new bikes.
### Answer: 10 

Expected answer: 10

Correct? Yes

Problem: A child starts with 2 blue colored pencils, and then a classmate gives them some more. In the end, they have 3 blue colored pencils. How many colored pencils did their classmate give them?

Gemini-1.5 Flash:

Reasoning: The child started with 2 blue pencils and ended up with 3 blue pencils.  This means they received 3 - 2 = 1 more blue pencil. 

### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: The campsite initially had 15 tents. By the end of the day, 19 tents were pitched in total. How many more tents were set up during the day?

Gemini-1.5 Flash:

Reasoning: To find out how many more tents were set up, subtract the initial number of tents from the total number of tents.  19 - 15 = 4 tents.

### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: A pirate found 7 gold coins in one of the treasure chests. By the end of his looting, he had a total of 16 gold coins. How many gold coins were in the other treasure chests he looted?

Gemini-1.5 Flash:

Reasoning: The pirate found 16 - 7 = <<16-7=9>>9 gold coins in the other treasure chests.
### Answer: 9 

Expected answer: 9

Correct? Yes

Problem: You start with 12 dollars in your wallet. By the end of a shopping trip, you find that you now have 16 dollars left in your wallet after receiving some change. How much money in dollars did you receive as change during the trip?

Gemini-1.5 Flash:

You received 16 - 12 = <<16-12=4>>4 dollars in change.
### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: A rope manufacturing task is ongoing. From several short pieces, a worker succeeds in creating a rope that is 17 feet long. If one of these pieces was 11 feet long, how long were the rest of the pieces together?

Gemini-1.5 Flash:

Reasoning: To find the total length of the remaining pieces, subtract the length of the 11-foot piece from the total length of the rope: 17 feet - 11 feet = 6 feet.

### Answer: 6 feet 

Expected answer: 6

Correct? Yes

Problem: An artist had one blue colored pencil in her collection. After adding a pack of new pencils, she now has 13 colored pencils. How many colored pencils were there in the new pack?

Gemini-1.5 Flash:

The artist had 13 - 1 = 12 colored pencils in the new pack.
### Answer: 12 

Expected answer: 12

Correct? Yes

Problem: A musician starts off with 17 guitar strings in his collection. After restringing some guitars, he is left with only 2 strings. How many guitar strings did the musician use?

Gemini-1.5 Flash:

The musician used 17 - 2 = 15 strings. 
### Answer: 15 

Expected answer: 15

Correct? Yes

Problem: There are 7 colors visible in a typical rainbow. If you have a special prism that shows a total of 13 colors in the rainbow, how many additional colors are visible through the prism?

Gemini-1.5 Flash:

Reasoning:  To find the number of additional colors, we subtract the number of colors in a typical rainbow from the number of colors visible through the special prism. 

This is calculated as: 13 colors (special prism) - 7 colors (typical rainbow) = 6 additional colors.

### Answer: 6 

Expected answer: 6

Correct? Yes

Problem: A full grown giraffe typically grows to a height of x meters. But a young giraffe was just 1 meter shorter than a full grown one when it was 3 meters tall. What is the typical height of a fully grown giraffe in meters?

Gemini-1.5 Flash:

Reasoning: A young giraffe is 1 meter shorter than a full grown giraffe, so a full grown giraffe is 3+1 = <<3+1=4>> 4 meters tall. 
### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: In a pencil box, there were initially 10 pencils. Later, a student added some more pencils into the box and the total became 14. How many pencils did the student add to the box?

Gemini-1.5 Flash:

Reasoning: The student added 14 - 10 = <<14-10=4>>4 pencils to the box.

### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: A pillow factory has a stock of 14 feather pillows. After a small order is shipped, they have 4 feather pillows left. How many feather pillows were in the shipped order?

Gemini-1.5 Flash:

Reasoning: The factory shipped 14 - 4 = <<14-4=10>> 10 feather pillows.
### Answer: 10 

Expected answer: 10

Correct? Yes

Problem: A pizzeria has 15 pepperoni pizzas ready to be served. Throughout the day, they bake a number of additional pepperoni pizzas, bringing the total to 16 by the evening. How many additional pepperoni pizzas did they bake throughout the day?

Gemini-1.5 Flash:

Reasoning: To find out how many additional pizzas they baked, we need to subtract the number of pizzas they started with from the total number of pizzas they had by the end of the day. 
So, they baked 16 - 15 = <<16-15=1>>1 additional pepperoni pizza.

### Answer: 1 

Expected answer: 1

Correct? Yes

Problem: A band had prepared 11 songs to perform at a concert. However, they only managed to perform 7 songs due to technical problems. How many songs were they not able to perform at the concert?

Gemini-1.5 Flash:

Reasoning: The band was unable to perform 11 - 7 = 4 songs. 
### Answer: 4 

Expected answer: 4

Correct? Yes

Problem: A snowman has a certain number of snowballs stacked to form its shape. If 7 snowballs are removed, only 11 snowballs remain. How many snowballs were used to build the snowman originally?

Gemini-1.5 Flash:

Reasoning: To find the original number of snowballs, we need to add the number of snowballs removed to the number that remain.  
 
So, the snowman originally had 7 + 11 = <<7+11=18>>18 snowballs.

### Answer: 18 

Expected answer: 18

Correct? Yes

Problem: In underwater kingdom, there were 10 mermaids at the beginning. After a while, there were 20 mermaids. How many new mermaids joined the kingdom?

Gemini-1.5 Flash:

Reasoning: To find out how many new mermaids joined, we subtract the initial number of mermaids from the final number: 20 mermaids - 10 mermaids = 10 mermaids.

### Answer: 10 

Expected answer: 10

Correct? Yes