The Number System

The Number System

The Number System consists of...

• Natural Numbers

• Whole Numbers

• Integers

• Rational Numbers

• Irrational Numbers

Natural Numbers

Counting Numbers

Multiple Select

Which of the following are not natural numbers?

• 2

• 35.7

• 65

• 0

Whole Numbers

Zero & the Counting Numbers

Multiple Choice

True or False: All natural numbers are whole numbers.

• True

• False

Multiple Choice

True or False: All whole numbers are natural numbers.

• True

• False

Fill in the Blanks

What is the only whole number that is NOT a natural number?

Integers

Zero + Counting Numbers + Their Opposites

Multiple Select

Which of the following are integers?

• 0

• -3

• -3.45

• 5/6

• 67

Rational Numbers

Any number that can be written as a fraction (ratio).

A decimal is a rational number if...(1) It terminates or ends (2) Repeats with a pattern

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