Basic Operation Review

-2(3m + 9)

• -6m + 7

• -6m - 7

• -6m + 18

• -6m - 18

Tags

CCSS.6.EE.A.3

½(8x + 2)

• 4x + 2

• 4x + 1

• 16x + 4

• 16x - 4

Tags

CCSS.6.EE.A.3

6(x + 1) - 5(x + 2)

• 2x + 8

• x - 4

• 11x + 16

• 3x + 3

Tags

CCSS.6.EE.A.3

8(x + 5) - 4(x + 4)

• 4x + 24

• 4x + 16

• 4x - 32

• 4x + 29

Tags

CCSS.6.EE.A.3

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5

• Subtract 5

• Multiply by 7

• Subtract 7

Tags

CCSS.7.EE.B.4A

Solve for x:
8x - 10 = -34

• 4

• 3

• -3

• -24

Tags

CCSS.7.EE.B.4A

Solve:
3(x - 2) = 18

• 6.7

• 4

• 8

• -4

Tags

CCSS.7.EE.B.4A

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step

• They should add 19 instead of subtracting 19

• I can not find an error

• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

Tags

CCSS.2.NBT.B.5