Real-Life One-Step Equations: Solve for the Variable

Sarah has 15 apples. She gives some apples to her friend and now has 8 apples left. How many apples did she give away?

• 5

• 10

• 7

• 3

Tom has a collection of 25 baseball cards. He buys some more cards and now has 32 cards. How many cards did he buy?

• 15

• 10

• 5

• 7

A book costs $12. If you have $20, how much money will you have left after buying the book?

• $5

• $15

• $8

• $10

Lily has 40 stickers. She loses some stickers and now has 28 stickers. How many stickers did she lose?

• 12

• 20

• 15

• 10

A box contains 50 chocolates. If 18 chocolates are eaten, how many chocolates are left in the box?

• 22

• 28

• 32

• 40

Jake has 60 marbles. He gives away some marbles and now has 45 marbles. How many marbles did he give away?

• 10

• 15

• 25

• 20

Emma read 25 pages of her book. If she has read a total of 40 pages, how many more pages does she need to read?

• 20 pages

• 15 pages

• 5 pages

• 10 pages

A farmer has 100 apples. He sells some apples and now has 75 apples left. How many apples did he sell?

• 25

• 50

• 30

• 20

There are 90 students in a school. If 15 students are absent, how many students are present?

• 75

• 60

• 80

• 70

A toy costs $15. If you have $50, how much money will you have left after buying the toy?

• $25

• $35

• $45

• $30