Estimating Irrational Numbers Update

Front

What is an irrational number?

Back

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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3.6

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5 and 6

Front

In between what two integers is the square root of 77?

Back

8 and 9

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7

Front

How do you estimate the square root of a number?

Back

To estimate the square root, find two perfect squares it lies between and then approximate.

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6.5

Front

What is the relationship between square roots and perfect squares?

Back

The square root of a perfect square is an integer.

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4.5