Vocabulary
Properties
Real Numbers
Expressions
100

This is a letter or symbol used to represent a value that can change.

What is a variable?

100

a+b+c=c+b+a

What is the commutative property (of addition)?

100

The counting numbers.

What are natural numbers?

100

x-5 (in words)

What is 5 less than x? or What is x minus 5?

200

A value that does not change.

What is a constant?

200

(AxB)xC=Ax(BxC)

What is the associative property (of multiplication)?

200

The counting numbers and zero.

What are whole numbers?

200

-8 -(-2)

What is -6?

300

Two numbers whose sum is 0.

What are opposites?
300

A negative times a negative.

What is a positive?

300

The letter used to represent integers.

What is Z?

300

Simplify (-6)2

What is 36?

400

A number and its reciprocal.

What are multiplicative inverses?

400

The sum of a real number and its opposite is 0.

What is the inverse property of addition?

400

Numbers that can be expressed as a fraction, terminating decimal, or repeating decimal.

What are rational numbers?

400

The square root of 81.

What is 9?

500

The positive square root of a number.

What is the principal root?

500

Division by zero.

What is undefined?

500

A number with a finite number of digits after the decimal point.

What is a terminating decimal?

500

The cube root of (-1/64).

What is -1/4?