What property is this?
77+(8+3) = (8+3)+77

• Commutative
• Associative
• Additive Identity
• Distributive

What property is this?
(a+13)+4 = a+(13+4)

• Associative
• Commutative
• Additive Identity
• Distributive

-0.775 is a

• Irrational Number

• Whole Number

• Integer

• Rational Number

• (A) integer

• (B) rational number

• (C) irrational number

• (D) none of these

• Rational, Integer
• Whole, Integer, Rational 
• Irrational, Integer
• Irrational

What is the difference of these fractions in lowest terms?

• 7/9
• 1/5
• 12/20
• 1/20

What is the sum of these fractions in lowest terms?

• 4  2/5
• 2
• 1   7/15
• 2/5

What is the product of these fractions in lowest terms?

• 20/50
• 10/25
• 2/5
• 9/15

What is the quotient of these fractions in lowest terms?

• 6/40
• 6/10
• 3/5
• 12/20

If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A ⋂ B?

• {1, 2, 3, 4, 5, 6, 7, 9}
• {1, 2, 3, 5}
• {4, 6, 7, 9}
• { }