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

Maria has some apples. If she buys 5 more apples and now has 12 apples, how many apples did she have originally?

• 5

• 10

• 3

• 7

A book costs $15. If you have $x and you spend $10, how much money do you have left?

• x - 5

• x - 10

• 10 - x

• x + 5

Tom is 3 years older than his brother. If his brother is x years old, how old is Tom?

• x + 5

• x + 2

• x + 3

• x - 3

A box contains x candies. If you eat 4 candies, there are 10 candies left. How many candies were in the box originally?

• 16

• 12

• 10

• 14

The temperature was x degrees in the morning. If it increased by 7 degrees and is now 15 degrees, what was the morning temperature?

• 12 degrees

• 8 degrees

• 5 degrees

• 10 degrees

A bike costs $200. If you save $x and then save an additional $50, you will have enough to buy the bike. How much did you save initially?

• 250

• 150

• 100

• 200

In a classroom, there are x students. If 5 students leave, there are 20 students left. How many students were there at the beginning?

• 10

• 15

• 25

• 30

A shirt costs $25. If you have $x and you spend $15, how much money do you have left?

• $x - 10

• $x + 15

• $x - 15

• $10

Lily has x stickers. If she gives away 8 stickers and now has 12 left, how many stickers did she have to start with?

• 18

• 15

• 25

• 20

A movie ticket costs $12. If you have $x and you buy 2 tickets, how much money do you have left?

• x - 20

• x - 24

• x - 12

• x - 30