2-3 Classifying Numbers

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No

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A whole number is...

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a number with NO extra pieces; a counting number

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A rational number is a number that can be written as a ...

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any number that can be expressed as a fraction

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Which of the following is NOT an integer: 0, 1.57, -6, 10?

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1.57

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What are natural numbers?

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Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

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What is an integer?

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An integer is a whole number that can be positive, negative, or zero.

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What is a whole number?

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Whole numbers are non-negative integers (0, 1, 2, 3, ...).

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What is a rational number?

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What is an example of an irrational number?

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