Estimating Square Roots

Front

What is the square root of a number?

Back

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

Front

What is a perfect square?

Back

A perfect square is an integer that is the square of another integer.

Front

Estimate the square root of 50.

Back

Approximately 7.07.

Front

What is the relationship between square roots and perfect squares?

Back

The square root of a perfect square is always an integer.

Front

How can you estimate the square root of a non-perfect square?

Back

You can find two perfect squares between which the number lies and estimate accordingly.

Front

What is the square root of 225?

Back

15, because 15 x 15 = 225.

Front

Which two consecutive whole numbers does the square root of 85 fall between?

Back

9 and 10.

Front

What is the approximate square root of 64?

Back

8, because 8 x 8 = 64.

Front

How do you determine if a number is a perfect square?

Back

Check if its square root is an integer.

Front

Estimate the square root of 30.

Back

Approximately 5.48.