Expressions and Properties Review

Evaluate 4a + b

if a = -1 and b = -5

• -1

• -5

• -9

• 9

Evaluate 2(x + 4) if x = -3

• -14

• 2

• 14

• -2

Which property is this an example of?
6 x 7 = 7 x 6

• Associative Property of Multiplication

• Commutative Property of Multiplication

• Inverse Property of Multiplication

• Distributive Property

Rewrite (9 x 6) x 5 using the associative property.

• 270

• 9 x 30

• 9 x (6 x 5)

• 5 x 9 + 5 x 6

Which of these illustrates the zero property of multiplication?

• 4 x (5 x 6) = (4 x 5) x 6

• 6 (9 + 1) = (6 x 9) + (6 x 1)

• 4 x (56) = (45) x 6

• 5 x 0 = 0

Which property is this an example of?
9 x 1 = 9

• Identity Property of Multiplication

• Commutative Property of Multiplication

• Associative Property of Multiplication

• Multiplicative Inverse

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

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

• Inverse Property

• Distributive Property

• Multiplicative Inverse

• Associative Property

What property is this? 
-5 + 5 = 0 

• Inverse of +

• Inverse of x 

• Inverse of the Universe 

• Zero 

5(a + 6)

• 5a + 6

• a + 30

• 5a + 30

• 5a - 30