Rational Numbers

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What is a rational number?

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

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CCSS.5.NBT.A.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 cannot be written as a ratio of two integers.

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CCSS.8.NS.A.1

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

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.9

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CCSS.4.NF.C.6

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Convert .05 into a fraction in simplest form.

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Is 3.4567 a rational or irrational number?

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Rational.

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

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0.25.

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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CCSS.5.NF.B.6