Reasoning about Solving Equations with Hangers

2x + 4 = 10.

Solve for x

• 2

• 3

• 4

• 5

Tags

CCSS.7.EE.B.4A

2y - 7 = 16

Solve for y

• 3

• 4

• 5

• 6

Tags

CCSS.7.EE.B.4A

What is the first step you should do when solving this equation?

3x + 6 = 18

• Add 6

• Subtract 6

• Multiply by 3

• Divide by 6

Tags

CCSS.7.EE.B.4A

What is the variable in the following equation?

5y + 4 = 19

• 5

• y

• 4

• 19

Tags

CCSS.6.EE.A.2B

What equation matches the hanger diagram?

• 3 (x + 2 ) = 11

• 2 (x + 5 ) = 11

• 5 (x + 2) = 11

• 7 ( x + 2) = 11

Tags

CCSS.HSA.CED.A.3

What equation can be written for the hanger

• 5x + 2 = 17

• 2x + 5 = 17

• 5x - 2 = 17

• 2x + 4 = 17

Tags

CCSS.HSA.CED.A.3

What equation can be written for the hanger model?

• x + 3 = 14

• 2x + 3 = 14

• 2x + 6 = 14

• x + 6 = 14

Tags

CCSS.HSA.CED.A.3

• 2r + 2 = 7

• 1 = 2r + 2

• r + 2 = 7

• r + 2 = 1

Tags

CCSS.HSA.CED.A.3