Review What You Know for Topic 3

For any numbers a and b, a × b = b × a and a + b = b + a when applying the ________________________.

• Commutative Property

• Associative Property

• Distributive Property

• Identity Property

The number 5/3 is a ________________________ because 5 and 3 are integers and 3 ≠ 0.

• rational number

• irrational number

• whole number

• natural number

The set of ________________________ consists of the counting numbers, their opposites, and zero.

• integers

• natural numbers

• whole numbers

• rational numbers

The sum of (a + b) + c is equal to the sum of a + (b + c) when applying the ________________________.

• Associative Property

• Distributive Property

• Commutative Property

• Identity Property

If you evaluate n × (y + z) by writing it as (n × y) + (n × z), you have used the ________________________.

• Distributive Property

• Associative Property

• Commutative Property

• Identity Property

Evaluate: 2 1/3 + 6 3/5

• 8 14/15

• 8 4/5

• 9

• 9 1/15

Evaluate: 19.86 + 7.091

• 26.951

• 26.947

• 26.961

• 26.941

Evaluate: 57 - 10.62

• 46.38

• 47.38

• 48.38

• 49.38

Evaluate: 15/16 × 9/5

• 27/80

• 135/80

• 135/16

• 27/16

Evaluate: 47/9 ÷ 7/12

• 47/9 × 12/7

• 47/9 × 7/12

• 9/47 × 12/7

• 9/47 × 7/12