7.NS.1/2 Operations with Rational Numbers Practice

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.

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How do you divide fractions?

Back

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

Front

What is the reciprocal of a number?

Back

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is the process to add or subtract mixed numbers?

Back

Convert mixed numbers to improper fractions, find a common denominator, then add or subtract the fractions and convert back if necessary.

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Back

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Front

How do you find the difference between two heights, one below and one above sea level?

Back

Subtract the lower height from the higher height, treating below sea level as a negative value.

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Back