Real Number System

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What is a Real Number?

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A Real Number is any number that can be found on the number line, including both rational and irrational numbers.

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Define Rational Number.

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A Rational Number is a number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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What is an Irrational Number?

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An Irrational Number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

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Give an example of a Rational Number.

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Give an example of an Irrational Number.

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Front

What is a Whole Number?

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Whole Numbers are non-negative numbers without fractions or decimals, including zero (0, 1, 2, 3, ...).

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What is a Natural Number?

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

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What is a repeating decimal?

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A repeating decimal is a decimal fraction that eventually repeats the same sequence of digits indefinitely, such as 0.333... or 0.142857142857... .

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What is a terminating decimal?

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A terminating decimal is a decimal that has a finite number of digits after the decimal point, such as 0.5 or 2.75.

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