Real-Life One-Step Equations: Model and Solve!

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

• 10

• 6

• 7

• 8

A book costs $15. If you have $x and you buy the book, you will have $5 left. Write an equation to find out how much money you had before buying the book.

• 10

• 25

• 20

• 30

Tom is 3 years older than his brother. If his brother is x years old, write an equation to express Tom's age.

• Tom's age = x - 3

• Tom's age = x + 5

• Tom's age = 2x + 3

• Tom's age = x + 3

A box contains some chocolates. If you take out 8 chocolates, there are 20 left. How many chocolates were in the box originally?

• 28

• 30

• 18

• 24

A car travels 60 miles per hour. If it travels for x hours, it covers 240 miles. Write an equation to find out how long the car traveled.

• 3 hours

• 4 hours

• 2 hours

• 5 hours

Samantha has $50. She spends some money on a toy and has $20 left. Write an equation to find out how much she spent on the toy.

• 25

• 15

• 30

• 40

A garden has x flowers. If 10 flowers bloom, there are now 25 flowers in total. Write an equation to find out how many flowers were there initially.

• 5

• 15

• 10

• 20

A recipe calls for 2 cups of sugar. If you have x cups and you need to buy 3 more cups to have enough, write an equation to find out how much sugar you had before.

• 0

• 2

• 5

• -1

A train leaves the station with x passengers. If 15 more passengers board the train, there are now 50 passengers. Write an equation to find out how many passengers were on the train initially.

• 35

• 30

• 25

• 40

Liam has a collection of stamps. If he gives away 7 stamps and has 18 left, how many stamps did he have at the beginning?

• 15

• 25

• 20

• 30