Properties of Operations #2

Which is an example of the commutative property of addition?

• 2 + 3 = 3 + 2

• (2 + 3) + 4 = 2 + (3 + 4)

• 2(3 + 4) = 2(3) + 2(4)

• 4 + 0 = 4

Which is an illustration of the associative property?

• ab + 0 = ab

• a(b + c) = ab + bc

• a + b = b + a

• a + (b + c) = (a + b) + c

Select the additive identity element.

• 0.5

• 0

• 1

• a

Select the multiplicative identity element.

• -1

• 0.5

• 0

• 1

Select the word that has the same meaning as “multiplicative inverse.”

• Identity

• Reciprocal

• Opposite

• Multiply

Select the word that has the same meaning as “additive inverse.”

• Identity

• Reciprocal

• Opposite

• Addition

Select the letter of the property that justifies the following:

5 + (3 + 2) = (5 + 3) + 2

• Commutative

• Associative

• Distributive

• Additive Identity

Select the letter of the property that justifies the following:

-5 + 0 = -5

• Commutative

• Associative

• Additive Inverse

• Additive Identity

Select the letter of the property that justifies the following:

10(8) = 8(10)

• Multiplicative Inverse

• Commutative

• Associative

• Multiplicative Identity

Select the letter of the property that justifies the following:

-4 + 4 = 0

• Associative

• Additive Identity

• Additive Inverse

• Distributive