Mastering Variables: Fun Equations & Word Problems!

Ava has x apples. If she buys 5 more apples and then gives away 3, how many apples does she have now? Write an equation to represent this situation.

• x + 2

• x + 8

• x - 3

• x + 5

Liam is x years old. In 4 years, he will be twice as old as he is now. Write an equation to find Liam's current age.

• 4

• 10

• 8

• 2

The sum of three consecutive numbers is 48. Let the first number be x. Write an equation to find the numbers.

• 15, 16, 17

• 18, 19, 20

• 12, 13, 14

• 14, 15, 16

Tags

CCSS.6.EE.B.7

A book costs $x. If you buy 3 books and pay with a $20 bill, you receive $5 in change. Write an equation to find the cost of one book.

• x = 5

• x = 7

• x = 10

• x = 15

Tags

CCSS.7.EE.B.4A

Maria has 12 more than twice the number of stickers that Jake has. If Jake has x stickers, write an equation to express the number of stickers Maria has.

• 3x + 12

• 2x - 12

• 2x + 12

• x + 12

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The perimeter of a rectangle is 50 cm. If the length is x cm and the width is 10 cm, write an equation to find the length of the rectangle.

• x = 5 cm

• x = 15 cm

• x = 25 cm

• x = 20 cm

Tags

CCSS.7.EE.B.4A

A car travels x miles in 2 hours. If it travels 30 miles more in the next hour, write an equation to find the total distance traveled in 3 hours.

• x - 30

• x + 30

• x + 60

• 2x + 30

Tags

CCSS.8.EE.C.7B

The total cost of 4 notebooks and 2 pens is $x. If each notebook costs $3 and each pen costs $2, write an equation to find the total cost.

• x = 16

• x = 18

• x = 20

• x = 14

Tags

CCSS.8.EE.C.7B

A gardener has x flowers. If he plants 10 more and then gives away 5, he has 25 flowers left. Write an equation to find the original number of flowers.

• 15

• 30

• 20

• 25

Tags

CCSS.HSA.CED.A.3

The total number of students in a class is x. If 5 students leave and 3 new students join, the total becomes 28. Write an equation to find the original number of students.

• 32

• 25

• 30

• 27

Tags

CCSS.HSA.CED.A.3