Equations Review

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Tags

CCSS.6.EE.B.7

x - 8 = -5 

• 13
• -13
• 3
• -3

Tags

CCSS.6.EE.B.7

7.    -4y = 48

• x = -52
• x = -12
• x = -44
• x = -13

Tags

CCSS.6.EE.B.7

An equation is shown below. Which situation best represents the equation?

 $45+x=180$  

• Angela saves $45 each month. How many months, x, will it take her to save $180?

• Alan read 180 pages of a book. If he reads 45 more pages, how many pages, x, will he have read?

• Rebecca worked 45 minutes on Wednesday and 180 minutes on Thursday. How many minutes, x, did she work in the two nights?

• Marcus has 45 songs on his music player. How many more songs, x, must he download to have a total of 180 songs?

Tags

CCSS.HSA.CED.A.3

Mary saves $25 per week. She has saved a total of $600. Which equation can be used to find how many weeks Mary has been saving? Let w equal the number of weeks Mary has been saving.

• $25+w=600$

• $w\div25=600$

• $600-w=25$

• $25x=600$

Tags

CCSS.HSA.CED.A.3

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

Solve for the variable.
-2.8 = 4b

• 0.7
• -0.7
• 1.43
• -1.43

Tags

CCSS.6.EE.B.7

Solve the equation. Check your solution.

• -90
• 90
• -40
• -180

Tags

CCSS.6.EE.B.7

Solve the equation. Check your solution.

• ⁵/₃ or 1 ²/₃
• ²⁴³/₁₂₅ or 1 ¹¹⁸/₁₂₅
• 1.944
• -⁵/₃ or -1²/₃

Tags

CCSS.6.EE.B.7

CCSS.6.EE.B.5

Write and solve an equation. The average growth of human hair is 0.5 inch per month. Find how long it takes a human to grow 3 inches of hair. 

• 3t = 0.5 ; 0.16 month
• 0.5t = 3 ; 6 months
• 3t = 0.5 ; 6 months
• 0.5t = 3 ; 2 months

Tags

CCSS.6.EE.B.7