Quiz 5: Lesson 3.2.1 - 3.2.4

Which expression represents the Expression Mat. Remember shaded tiles are positive and unshaded is the opposite.

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.6

CCSS.6.NS.C.5

  Which representation below is equivalent to 2x – (x – 1)? Remember positive tiles are shaded and the opposite (negative) tile is unshaded. There may be more than one correct answer.

• 
• 
• 

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.6

When the expression mat is simplified, which expression below is the result?(You may need to use Distributive Property, zero pairs, flip, and combining like terms)

• 2x + 7

• -x + 3

•  3

•  1

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Verify the steps in the equation and solve for the value of x.

 –2 + x + 5 = 3 – (1 – 2x)

 –2 + x + 5 = 3 ​​ (a)  

x​ (b)   = 3 ​- 1 + 2x​

3 = 3 - 1 + ​ (c)  

​ ​ (d)   = 3 + x

​ (e)   = x

• -1 + 2x
• + 3
• x
• 4
• 1

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for x. Make sure to only put the number for your answer. No need for "x =".

Mathematical Equivalence

ON

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7