7th Grade Algebra: One-Step Equations & Word Problems

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

• 10

• 5

• 3

• 8

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

• Liam's age = x + 5

• Liam's age = 5 - x

• Liam's age = x - 5

• Liam's age = x + 10

A book costs $15. If you buy 3 books, how much do you spend in total? Write an equation to find the total cost.

• $15

• $45

• $30

• $60

The sum of a number and 8 is 20. What is the number?

• 12

• 10

• 18

• 15

A rectangle has a length of 10 meters and a width of x meters. If the perimeter is 40 meters, what is the value of x?

• 5

• 10

• 15

• 20

Maria has twice as many marbles as John. If John has y marbles, write an equation to express how many marbles Maria has.

• M = y

• M = 3y

• M = y/2

• M = 2y

A car travels 60 miles per hour. How far will it travel in t hours? Write an equation to represent this situation.

• distance = 60 + t

• distance = 60 - t

• distance = 60t

• distance = 60t^2

The total cost of 4 notebooks is $12. How much does each notebook cost? Write an equation to find the cost of one notebook.

• $4

• $2

• $5

• $3

If a number is decreased by 3, the result is 10. What is the number?

• 10

• 16

• 13

• 7

A gardener plants x flowers in each of 5 rows. If he plants a total of 30 flowers, how many flowers does he plant in each row?

• 5

• 7

• 6

• 8