Algebra Word Problems

A number is increased by 8 and the result is 20. What is the number?

• 10

• 18

• 12

• 15

Tags

CCSS.6.EE.B.7

The sum of two consecutive numbers is 45. What are the numbers?

• 19, 26

• 20, 25

• 21, 24

• 22, 23

Tags

CCSS.6.EE.B.7

The length of a rectangle is 5 cm more than its width. If the perimeter of the rectangle is 30 cm, find its dimensions.

• The dimensions of the rectangle are 10 cm (width) and 5 cm (length).

• The dimensions of the rectangle are 4 cm (width) and 11 cm (length).

• The dimensions of the rectangle are 6 cm (width) and 9 cm (length).

• The dimensions of the rectangle are 5 cm (width) and 10 cm (length).

The sum of three consecutive even numbers is 90. What are the numbers?

• 28, 30, 32

• 40, 42, 44

• 32, 34, 36

• 26, 28, 30

Tags

CCSS.8.EE.C.7B

The sum of two numbers is 12 and their difference is 4. Find the numbers.

• x = 10, y = 2

• x = 5, y = 7

• x = 6, y = 2

• x = 8, y = 4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The length of a rectangle is 3 times its width. If the area of the rectangle is 48 square units, find its dimensions.

• The dimensions of the rectangle are 8 units (width) and 24 units (length).

• The dimensions of the rectangle are 2 units (width) and 6 units (length).

• The dimensions of the rectangle are 6 units (width) and 18 units (length).

• The dimensions of the rectangle are 4 units (width) and 12 units (length).

The sum of three consecutive odd numbers is 63. What are the numbers?

• 17, 19, 21

• 15, 17, 19

• 19, 21, 23

• 21, 23, 25

Tags

CCSS.8.EE.C.7B

The sum of two numbers is 16 and their product is 63. Find the numbers.

• The numbers are 7 and 9.

• The numbers are 10 and 6.

• The numbers are 5 and 13.

• The numbers are 8 and 8.

The length of a rectangle is 4 cm less than twice its width. If the perimeter of the rectangle is 36 cm, find its dimensions.

• Width: 5 cm, Length: 6 cm

• Width: 6 cm, Length: 5 cm

• Width: 4 cm, Length: 7 cm

• Width: 3 cm, Length: 10 cm

The sum of three consecutive numbers is 72. What are the numbers?

• 20, 22, 30

• 18, 24, 30

• 15, 25, 32

• 23, 24, 25

Tags

CCSS.8.EE.C.7B