Estimating Square Roots

Front

What is the definition of a perfect square?

Back

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

Front

List the first ten perfect squares.

Back

0, 1, 4, 9, 16, 25, 36, 49, 64, 81.

Front

How do you estimate the square root of a number?

Back

To estimate the square root of a number, find two perfect squares between which the number lies.

Front

What is the approximate value of √44?

Back

Between 6 and 7.

Front

What is the approximate value of √7 rounded to the nearest hundredth?

Back

2.65.

Front

What is the approximate value of √13 rounded to the nearest hundredth?

Back

3.61.

Front

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

Back

Check if the square root of the number is an integer.

Front

What is the square root of 132?

Back

Approximately 11.49, and it is not a perfect square.

Front

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

Back

Between 8 and 9.

Front

What is the square root of 64?

Back

8, which is a perfect square.