Last year our school had 5 computers in the library. They bought some more over the summer. Now there are 12. How many computers did they buy over the summer?
What is 7 computers.
100
13 birds were at the feeder. Then 8 flew away. How many birds are at the feeder now?
What is 5 birds
100
Erica has 13 colored pencils. She has 8 at home and some at school. How many are at school?
What is 5 pencils
100
Darnel and Amelia have baseball caps for sale. Darnel sells 12 baseball caps. Amelia sells 6 baseball caps. How many fewer caps does Amelia sell than Darnell?
What is 6 fewer baseball caps
100
Jenna has 13 goldfish. She gives some to her friend. Now she has only 6 goldfish. How many goldfish did she give to her friend?
What is 7 goldfish
200
Alina had 17 beads. She used 9 of them to make a bracelet. How many beads does she have left?
What is 8 beads
200
I had 16 pounds of potatoes. I used some to make potato salad. Now I have 7 pounds of potatoes left. How many pounds did I use?
What is 9 pounds
200
Joan has 15 toy guitars. Delia has 7 toy guitars. How many fewer toy guitars does Delia have than Joan?
What is 8 fewer toy guitars
200
Franny has 10 kittens and 6 dogs. 5 kittens are asleep. How many kittens are awake?
What is 5 kittens
200
There are 6 puzzle pieces on the table. Kay put 3 more on the table. How many puzzle pieces are on the table?
What is 9 puzzle pieces
300
Erin wrapped 6 party favors. She needs to wrap 15 favors in all. How many favors does she still need to wrap?
What is 9 favors
300
Leon and his friends made 12 snowmen. The next day, Leon saw that some of them had melted. Only 9 snowmen were left. How many melted?
What is 3 snowmen
300
Alvin had 14 puppets. He gave some to his brother. Now Alvin has 5 puppets left. How many puppets did Alvin give to his brother?
What is 9 puppets
300
Evan read a book each day for a week. The next day he read 5 books. How many books did Evan read altogether?
What is 12 books
300
Joey had a bag of peanuts. He gave 8 peanuts to his friends. Then he had 5 left. How many peanuts were in the bag?
What is 13 peanuts
400
There are 13 people in a bike race. 8 are on top of the hill. The rest are at the bottom of the hill. How many people are at the bottom of the hill?
What is 5 people
400
There are 14 children in the park. 7 of them are swinging. The rest are jumping rope. How many are jumping rope?
What is 7 children
400
Yolanda has a box of tennis balls. Eddie took 7 of them. Now Yolanda has 5 left. How many tennis balls did Yolanda have in the beginning?
What is 12 tennis balls
400
There were 7 seals, a walrus, and some dolphins in the water. There are a total of 17 animals in the water. How many dolphins are in the water?
What is 9 dolphins
400
There are 15 apples in a bowl. 7 of them are red. The rest are green. How many apples are green?
What is 8 apples
500
Andrew made some sandwiches. 6 are turkey sandwiches and 7 are ham sandwiches. How many sandwiches did Andrew make in all?
What is 13 sandwiches
500
Haley has 13 books in her bag. Gabrielle has 8 books in her bag. How many fewer books does Gabrielle have in her bag than Haley?
What is 5 fewer books
500
There were 9 children on the bus. At the first bus stop, some of the children got off. 7 children are still on the bus. How many children got off at the first bus stop?
What is 2 children
500
There were 8 camels, some zebras and an elephant in the desert. There are a total of 14 animals in the desert. How many zebras are in the desert?
What is 5 elephants
500
Makala buys 11 plums from the fruit stand. Trun buys plums, too. If Makala buys 8 more plums, she will have as many plums as Trin. How many plums does Trin have?