Classifying Numbers and Properties

Which of the following is irrational?

• Square root of 81

• Square root of 9

• Square root of 144

• Square root of 12

What is the definition of an integer

• All positive and negative whole numbers

• Decimals or fractions that terminate for repeat

• All positive whole numbers

• 0

Which statement is NOT true?

• Every rational number is a real number.

• Every counting number is a whole number.

• Every integer is a rational number.

• Every decimal number is an irrational number.

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

9 + 0 = 9

• Identity Property of Multiplication

• Associative Property of Addition

• Identity Property of Addition

• Additive Inverse Property

Which property:
⅘ + (-⅘) = 0

• Identity Property of Addition

• Inverse Property of Addition

• Multiplicative Property of 0

• Inverse Property of Multiplication

What property is this? 
-5 + 5 = 0 

• Inverse of +

• Inverse of x 

• Inverse of the Universe 

• Zero 

25 + x = x + 25

• Commutative Property of Addition

• Commutative Property of Multiplication

• Associative Property of Multiplication

• Associative Property of Addition

What categories describe this number?

• Rational, Integer

• Rational,Whole, Integer

• Irrational, Integer

• Real, Irrational

Classify the number -2.5

• Real, rational

• Real, rational, integer

• Real, irrational