Real-Life One-Step Equations: Check Your Solutions!

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

• 6

• 7

• 8

• 5

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

• $10

• $15

• $5

• $8

Tom is 5 years older than his sister. If his sister is x years old, how old is Tom?

• x + 5

• x + 10

• 2x + 5

• x - 5

A box contains 24 chocolates. If you eat x chocolates, how many chocolates are left in the box?

• x chocolates

• 24 + x

• 12 chocolates

• 24 - x

Lily has 30 stickers. She buys some more stickers and now has 45. How many stickers did she buy?

• 10

• 20

• 15

• 25

A car travels 60 miles in one hour. How far will it travel in x hours?

• 60+x

• 120x

• 30x

• 60x

The temperature was 20 degrees in the morning. By noon, it increased by x degrees. What is the new temperature?

• 15 + x

• 20 + x

• 20 - x

• x + 20 - 5

A farmer has 50 cows. He sells x cows. How many cows does he have left?

• 50 - x

• x cows

• 50 + x

• 50 - (x + 1)

A pizza has 8 slices. If you eat x slices, how many slices are remaining?

• 8 - x

• 8 - (x + 1)

• 8 + x

• x slices

A concert ticket costs $50. If you pay with a $100 bill, how much change will you receive?

• $75

• $50

• $100

• $25