Real-Life One-Step Equations: Find the Unknowns!

Maria has some apples. If she buys 5 more apples, she will have 12 apples. How many apples did she start with?

• 8

• 6

• 10

• 7

Tom has a collection of 20 baseball cards. He gives some cards to his friend and now has 15 left. How many cards did he give away?

• 10

• 7

• 3

• 5

A book costs $8. If Sarah has $x and she buys the book, she will have $3 left. How much money did Sarah have before buying the book?

• 15

• 11

• 5

• 10

Liam has 25 marbles. He loses some marbles and now has 18. How many marbles did he lose?

• 5

• 10

• 12

• 7

A box contains some chocolates. If 7 chocolates are eaten, there are 10 left. How many chocolates were in the box originally?

• 20

• 15

• 17

• 10

Emma read 15 pages of her book. If she has read a total of x pages, and she has 5 pages left to read, how many pages is the book?

• 20

• 25

• 10

• 15

Jake has $50. He spends some money and now has $30 left. How much money did he spend?

• $25

• $15

• $20

• $10

A garden has 40 flowers. If 12 flowers wilted, how many flowers are still healthy?

• 25

• 30

• 28

• 35

Sophie has a collection of stickers. If she adds 9 stickers to her collection and now has 25, how many stickers did she have before?

• 20

• 18

• 16

• 15

A toy costs $15. If Alex has $x and he buys the toy, he will have $5 left. How much money did Alex have before buying the toy?

• 20

• 10

• 25

• 30