Test Review one step add/ subtract

17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

Tags

CCSS.6.EE.B.7

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Tags

CCSS.6.EE.B.7

4 + b = 30

• -34
• 34
• -26
• 26

Tags

CCSS.6.EE.B.7

x - 32 = 49

• x = 17
• x = 71
• x = 81
• x = 49

Tags

CCSS.6.EE.B.7

What is the name of a letter that represents an unknown number in math?

• Coefficient

• Constant

• Variable

• Operation

Tags

CCSS.6.EE.A.2B

What is the inverse operation for addition?

• Multiplication

• Subtraction

• Addition

• Division

Tags

CCSS.HSA.REI.A.1

Adding 12 is the inverse of ...

• Dividing by 12
• Multiplying by 12
• Subtracting 12

Tags

CCSS.HSA.REI.A.1

Subtracting 8 is the inverse of ...

• Adding 8
• Dividing by 8
• Multiplying by 8

Tags

CCSS.HSA.REI.A.1

 $x-3.5=-1$ 

Solve.

•  $x=-4.5$  

•  $x=-2.5$  

•  $x=4.5$  

•  $x=2.5$  

Tags

CCSS.6.EE.B.7

Given the equation: x+7 = 20.

What operation do you use to isolate the variable?

• I add 7 to both sides.

• I add 7 to only the left side of the equal sign.

• I subtract 7 from both sides.

• I subtract 7 from only the left side of the equal sign.

Tags

CCSS.6.EE.B.7