Unit 4 Test Review (Irrational Numbers Enter the Number System

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What are Natural Numbers?

Back

Natural numbers are the set of positive integers starting from 1, 2, 3, and so on. They do not include zero or negative numbers.

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What are Whole Numbers?

Back

Whole numbers are the set of non-negative integers, including zero. They are 0, 1, 2, 3, and so on.

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What are Integers?

Back

Integers are the set of whole numbers that include positive numbers, negative numbers, and zero. Examples: -3, -2, -1, 0, 1, 2, 3.

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What are Rational Numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Examples: 1/2, -3, 0.75.

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What are Irrational Numbers?

Back

Front

What is the classification of the number 120?

Back

120 is classified as a Natural number, Whole number, Integer, Rational number, and Real number.

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What is the classification of the number 3?

Back

3 is classified as a Natural number, Whole number, Integer, and Rational number.

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Back

Front

How do you find the length of a missing side in a right triangle?

Back

Front

What is the classification of the number 0?

Back

0 is classified as a Whole number, Integer, and Rational number.