7th Grade Equation Word Problems: One-Step Solutions

Ava has 12 apples. She gives some to her friend and now has 7 apples left. How many apples did she give away?

• 3

• 8

• 10

• 5

Tom is 5 years older than his sister. If his sister is x years old, write an equation to represent Tom's age.

• Tom's age = 5 - x

• Tom's age = x + 10

• Tom's age = x - 5

• Tom's age = x + 5

A book costs $15. If you have $x, how much more money do you need to buy the book?

• x - 15

• x / 15

• 15 - x

• 15 + x

A rectangle has a length of 10 meters and a width that is 3 meters less than the length. Write an equation to find the width.

• 10 meters

• 7 meters

• 5 meters

• 4 meters

Sarah scored 85 points on her math test. If she needs to score 100 points to pass, how many more points does she need?

• 10

• 20

• 25

• 15

The total cost of 4 notebooks is $12. Write an equation to find the cost of one notebook.

• $2

• $4

• $5

• $3

A car travels at a speed of 60 miles per hour. How far will it travel in x hours? Write an equation to represent this situation.

• distance = 60 + x

• distance = 60 * x

• distance = 60 - x

• distance = 60 / x

Liam has twice as many marbles as Noah. If Noah has n marbles, write an equation to express the number of marbles Liam has.

• Liam has n marbles.

• Liam has 3n marbles.

• Liam has n/2 marbles.

• Liam has 2n marbles.

A pizza is cut into 8 slices. If you eat x slices, how many slices are left? Write an equation to represent this.

• 8 - x

• 8 * x

• x - 8

• 8 + x

The sum of a number y and 9 is 20. Write an equation to find the value of y.

• 11

• 15

• 12

• 10