Order of Operations and Expressions

 $(5-3)^2+(6-2\cdot4)$  

• 20

• 12

• 2

• -6

Simplify the following:

-2 x (3 + 8 ÷ 4)²

• -16

• 1.375

• 4

• -50

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Simplify the following:

(2 + 7 - 1) ÷ 2²

• 16

• 2

• 72.25

• 8.75

Tags

CCSS.6.EE.A.1

CCSS.6.NS.B.2

Find and explain the error

Step 1: $\left(10-8\div2\right)+6$  

Step 2:  $\left(2\div2\right)+6$  

Step 3: $1+6$  

Step 4: $7$  

• Division error

• Subtraction was done first when division should have been done first

• Division was done first when subtraction should have been done first

• Subtraction error

 $(4-4\cdot3+3^2)\ -(2)^3$  

• -7

• 1

• -8

• -10

Evaluate the expression

 $2a-4b+3c$  

when  $a=3,\ b=2,\ and\ c=1$  

• -3

• 18

• 1

• -1

Tags

CCSS.8.EE.C.7

Simplify:  $2-\sqrt{31-2\cdot3}+8$  

• 5

• -15

• 0.67

• -5

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify:  $\left|-3+7\right|\cdot4-\left(3+4^{2\ }-8\right)$  

• -27

• 5

• -5

• 27

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.NS.C.7

Simplify:  $\frac{2+5\cdot6}{12+2^2}$  

• 4

• 8

• 16

• 2

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Evaluate:

 $\frac{2x^2+\left|-y\right|}{\sqrt{z^3}}$  
if x = -3, y = -6, and z = 4

•  $\frac{-3}{2}$  

• 3

•  $\frac{3}{2}$  

• - 3

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.NS.C.7