Review of Chapter 6 & 7

(7 + 41) ÷ 2 – 15

• 19
• 9
• 25
• 3

2 × 3³ + 7

• 91
• 61
• 235
• 77

Simplify the following:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 72.25
• 8.75

16 ÷ 2 x 4 - 3

• 5
• -1
• 25
• 29

Evaluate the numerical expression.
2(15 - 7) + 6

• 22
• 29
• 50
• 28

Which numeric expression matches this written expression?
two times the sum of eight and seven

• 2 x 87
• 2 + (8 + 7)
• 2 x 8 + 7
• 2 x (8 + 7)

Subtract 9 from 15 and divide by 3. 
Which numerical expression represents this statement?

• (15 - 9) ÷ 3
• (9 - 15) ÷ 3
• 3 ÷ (15 - 9)
• 3 ÷ (9 - 15)

(2 ⋅ 9) ⋅ 5 and 2 ⋅ (9 ⋅ 5) 
This is an example of which property? 

• Commutative
• Associative
• Identity 

13 + 0 
This is an example of which property? 

• Commutative
• Associative
• Identity

7 + 9 = 9 + 7
This is an example of which property?

• Commutative 
• Associative
• Identity