Solving Real-Life One-Step Equations with Inverse Operations

Maria has 15 apples. She gives some apples to her friend and now has 9 left. How many apples did she give away?

• 4

• 8

• 10

• 6

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

• $10

• $5

• $8

• $15

Tom has a collection of 25 baseball cards. He buys some more cards and now has 30. How many cards did he buy?

• 3

• 10

• 7

• 5

Lily is saving money for a toy that costs $50. If she currently has $30, how much more does she need to save?

• $15

• $10

• $20

• $25

A gardener planted 40 flowers. If 15 of them die, how many flowers are still alive?

• 25

• 35

• 20

• 30

Jake has 60 marbles. He loses some marbles and now has 45. How many marbles did he lose?

• 15

• 10

• 20

• 25

Samantha read 25 pages of her book. If she wants to read a total of 50 pages, how many more pages does she need to read?

• 15

• 25

• 30

• 40

A box contains 80 chocolates. If 25 chocolates are eaten, how many chocolates are left in the box?

• 70

• 55

• 50

• 60

A baker made 100 cookies. If he sold 37 cookies, how many cookies does he have left?

• 63

• 80

• 75

• 50

Emily has $75. She spends some money and now has $50. How much money did she spend?

• $30

• $15

• $25

• $50