Properties of rational numbers 1

What is the multiplicative inverse of 2/3?

• -2/3
• 3/2
• -3/2
• 2/3

What is the additive inverse of 2/3?

• -2/3
• 3/2
• 2/3
• -3/2

Identify the property
a(b + c) = ab + ac

• Associative of addtion
• Distributive
• Commutative of addition
• Inverse

Which property does this represent:

12 + 16 + 15 = 16 + 12 + 15

• Commutuative Property of Multiplication

• Distributive Property

• Commutative Property of Addition

• Associative Property of Addition

Which property does this represent:  $3(9+4)=3\cdot9+3\cdot4$  

• Commutative Property of Addition

• Distributive Property

• Associative Property of Multiplication

• Addition Property of Equality

Which property does this represent:

(5 + 7) + 6 = 5 + (7 + 6)

• Associative Property of Addition

• Associative Property of Multiplication

• Commutative Property of Addition

• Distributive Property

Which property does this represent:

7(x + 9)= 7x + 63

• Commutative Property of Addition

• Distributive Property

• Associative Property of Addition

• Associative Property of Multiplication

What property allows this statement to be true?

ab = ba

• Associative Property of Multiplication

• Distributive Property

• Commutative Property of Multiplication

• Associative Property of Addition

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