Test Review: Expressions

Which two expressions are equivalent?

• 5 + (3 • x) and (5 + 3) • y

• (12 ÷ x) + 16 and 16 + (x ÷ 12)

• 15 - (x • 5) and 15 - (5 • x)

• (13 - 4) ÷ x and 13 - (4 ÷ x)

Which expression is equivalent to 6(x +9)?

• 6 + x + 6 + 9

• 6x + 9

• 6 + x + 9

• 6x + 54

Which one of the following expressions is equivalent to 6n - 15?

• 3( 2n - 5)

• (6n - 10) + 5

• 15 - 6 n

• 6(n - 10)

Which expression is 9h-7h equivalent to?

• 18h-7h

• h+h+h+h+h+h+h+h+h-6h

• 2h

3(w + 4) = 3w + 12 is an example of...

• Inverse Property
• Distributive Property
• Multiplicative Inverse
• Associative Property

This property tells us that when we change the order of numbers when we are adding, the answer does not change.  

• Commutative Addition
• Commutative Multiplication
• Associative Addition
• Associative Multiplication

If the property is Identity of Addition what is the answer to this equation?
0 + 5 =______

• 2
• 3
• 55
• 5

25 + x = x + 25

• Commutative Property of Addition
• Commutative Property of Multiplication
• Associative Property of Multiplication
• Associative Property of Addition

9 + 0 = 9

• Identity Property of Multiplication
• Associative Property of Addition
• Identity Property of Addition
• Additive Inverse Property

3  x  ⅓  = 1

• Identity Property of Multiplication
• Zero Property
• Additive Inverse Property
• Multiplicative Inverse Property