The Real Number System

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What is the Real Number System?

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The Real Number System includes all the numbers that can be found on the number line, including rational numbers (like integers and fractions) and irrational numbers (like pi and the square root of 2).

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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. It has a non-repeating, non-terminating decimal expansion.

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CCSS.8.NS.A.1

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Give an example of an irrational number.

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CCSS.8.NS.A.1

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What is a rational number?

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CCSS.5.NBT.A.2

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

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What is the square root of 16?

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The square root of 16 is 4, which is a rational number.

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CCSS.5.NBT.A.2

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CCSS.8.NS.A.1

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What is 25% as a fraction?

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What is the decimal equivalent of 1/2?

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