Solve One-Step Equations: Find the Missing Amounts

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

• 5

• 7

• 3

• 10

Tom has 20 marbles. He buys 5 more marbles. How many marbles does he have now?

• 10

• 30

• 25

• 15

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

• $15

• $10

• $8

• $5

Lily has 30 stickers. She loses some stickers and now has 22 stickers. How many stickers did she lose?

• 6

• 8

• 10

• 12

Jake has 50 toy cars. He donates 15 toy cars to charity. How many toy cars does he have now?

• 25

• 40

• 50

• 35

Emma read 25 pages of her book. If she has 40 pages left to read, how many pages is the book in total?

• 80

• 70

• 50

• 65

A box contains 18 chocolates. If 7 chocolates are eaten, how many chocolates are left in the box?

• 11

• 15

• 10

• 12

There are 45 students in a class. If 5 students go home early, how many students are still in the class?

• 35

• 45

• 50

• 40

Mia has $30. She spends $12 on a toy. How much money does she have left?

• $12

• $24

• $18

• $15

A farmer has 100 apples. He sells 25 apples at the market. How many apples does he have remaining?

• 100

• 50

• 75

• 25