Solve One-Step Word Problems & Find Unknowns

Sarah has 15 apples. She gives some to her friend. Now she has 10 apples left. How many apples did she give away?

• 5

• 10

• 7

• 3

Tom has 20 marbles. He loses some marbles while playing. Now he has 12 marbles. How many marbles did he lose?

• 5

• 8

• 15

• 10

A baker made 30 cookies. He sold some and now has 22 cookies left. How many cookies did he sell?

• 10

• 8

• 5

• 15

Lily has 25 stickers. She gave some to her brother. Now she has 18 stickers. How many stickers did she give to her brother?

• 7

• 10

• 5

• 12

There are 40 students in a class. If 5 students go home early, how many students are left in the class?

• 25

• 40

• 30

• 35

A farmer has 50 chickens. He sells some and now has 37 chickens. How many chickens did he sell?

• 20

• 15

• 13

• 10

Emma has 60 crayons. She lost some and now has 45 crayons. How many crayons did she lose?

• 20

• 25

• 15

• 10

A library had 100 books. If 15 books were checked out, how many books are left in the library?

• 90

• 75

• 100

• 85

Jake has 80 toy cars. He gave away some to his friends. Now he has 65 toy cars. How many toy cars did he give away?

• 20

• 15

• 10

• 25

There are 90 balloons at a party. If 25 balloons popped, how many balloons are still inflated?

• 70

• 55

• 80

• 65