Operations with Rational Numbers

Front

What is a rational number?

Back

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

Tags

CCSS.5.NBT.A.2

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the process for dividing fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction.

Tags

CCSS.6.NS.A.1

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator.

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together.

Tags

CCSS.5.NF.B.6

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Back

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CCSS.5.NF.B.6

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Back

The result is 4.

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CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

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Back

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CCSS.7.NS.A.2A

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Back

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CCSS.7.NS.A.2A

Front

What is the process for adding rational numbers?

Back

To add rational numbers, find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.7.NS.A.1C