8th U4 Quiz 1 - Review Game

What value does the green triangle represent?

b

4

5

3

2

Tags

CCSS.3.OA.A.2

What line of the problem was there a mistake?

Tags

CCSS.HSA.REI.A.1

What line of the problem was there a mistake?

Sort each move as keeping an equation BALANCED or NOT!

Groups:

(a) Balanced

,

(b) Not Balanced

• Adding 3x on both sides

• Subtracting by 5 on the left and adding 5 on the right

• Dividing one side by 2

• Multiplying both sides by 1/2

Tags

CCSS.HSA.REI.A.1

Solve the equation:

2x - 2 = x + 6

• x = 6

• x = 4

• x = 8

• x = -2

Solve the equation:

3x - 3 = 2x + 6

• x = -3

• x = 6

• x = 3

• x = 9

Describe what was done in each solving step!

• Subtract 10 from both sides

• Step 5

• Divide by -10 on both sides

• Step 1

• Combine Like Terms

• Step 4

• Distribute

• Step 2

• Subtract 4x from both sides

• Step 3