Equations and Inequalities 8th Grade

Solve the equation:
x - 5.5 = 10.5

• x = 15.5
• x = 14.5
• x = 5
• x = 16

Tags

CCSS.6.EE.B.7

Judy is saving to buy a pair of shoes that cost $120. She has saved $30 and is going to save $25 a week. Which equation will show her how many weeks she must save?

• 30 + 25w = 120
• 55w = 120
• 30w + 25w = 120
• 120 + 30 = 25w

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

Tags

CCSS.6.EE.B.5

 6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

Tags

CCSS.6.EE.B.7

Solve the equation:

½x = 6

• x = 12

• x = 18

• x = 3

• x = 16

Tags

CCSS.6.EE.B.7

The price of an ice cream cone,c, is one-fourth the price of a pint, p. Which equation shows the relationship between the price of a cone and the price of a pint?

• 1/4c = p
• p = 1/4 + c
• 4c = p
• p = 4 + c

Tags

CCSS.6.EE.C.9

Joe has 4 less than 7 times as many toy cars as Sam. If Joe has 9 cars, which equation shows how to find the number of cars Sam has?

• 7c/9 = 4
• 7c + 4 = 9
• 7c - 4 = 9
• 7c + 9 = 4

Tags

CCSS.HSA.CED.A.3

Solve the equation:
4p = 16

• p = 12
• p = 64
• p = 3
• p = 4

Tags

CCSS.6.EE.B.7

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Tags

CCSS.6.EE.B.7

Solve the equation:

20.5 = x + 4

• 16.5

• 16.05

• 24.5

• 24.05

Tags

CCSS.6.EE.B.7