Approximating Square Roots

Front

What is a square root?

Back

A square root of a number is a value that, when multiplied by itself, gives the original number.

Front

Estimate √63 to the nearest tenth.

Back

7.9

Front

Estimate √87 to the nearest tenth.

Back

9.3

Front

Estimate √28 to the nearest tenth.

Back

5.3

Front

Estimate √18 to the nearest integer.

Back

4

Front

Estimate √80 to the nearest tenth.

Back

8.9

Front

What is the approximate value of √49?

Back

7

Front

How do you find the square root of a number?

Back

You can find the square root by determining which two whole numbers the number lies between and estimating.

Front

What is the square root of 100?

Back

10

Front

What is the relationship between squares and square roots?

Back

The square of a number is the result of multiplying the number by itself, while the square root is the number that produces the square.