CC3 Chapter 2 Closure

What is the original expression to represent this mat?

• $5x+8$

• $3x+5-(-2x-3)$

• $2x-x+3-2-(x-x-1+2)$

• $2x-x+3-2-x+x-1+2$

Tags

CCSS.7.EE.A.1

What legal move is being demonstrated here?

• Zero Pairs

• Split or Divide

• Balance Set

• Flip

Tags

CCSS.8.EE.C.7B

What legal move is being demonstrated here with the blue arrows?

• Zero Pairs

• Split or Divide

• Balance Set

• Flip

What is the simplified expression?

• x

• x = 0

• 0

• No answer

Tags

CCSS.7.EE.A.1

What is the simplified expression for the left side?

• $2x+3-1-(2x-2)$

• 4

• $-4$

• $4x+6$

Tags

CCSS.7.EE.A.1

What is the simplified expression for the right side?

• $2x-x+2-(2x-x-2+1)$

• 3

• -3

• $6x-5$

Tags

CCSS.7.EE.A.1

Select all the true statements to compare the left and right side expressions accurately.

• 4 > 3

• 3 > 4

• 1 > 0

• 0 < 1

Tags

CCSS.6.EE.A.2C

Simplify the expression with or without algebra tiles.

 $3+7x-(2+9x)$  

•  $16x+5$  

•  $-2x+1$  

•  $2x+1$  

•  $-2x+5$  

Tags

CCSS.7.EE.A.1

Simplify the expression with or without algebra tiles.

 $6-(3x-4)+7x-11$  

•  $4x-1$  

•  $4x-9$  

•  $10x-1$  

•  $10x-9$  

Tags

CCSS.6.EE.A.3

Simplify the expression with or without algebra tiles.

 $3x^2+10-y^2+4x-8x^2-5y-8+y^2+3$  

•  $-5x^2+4x-5y+5$  

•  $11x^2+21-2y^2-5y$  

Tags

CCSS.7.EE.A.1