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 the approximate value of √77?

Back

Between 8 and 9.

Front

What is the approximate value of √44?

Back

Between 6 and 7.

Front

Estimate the square root of 36.

Back

6, because 6 x 6 = 36.

Front

Estimate the square root of 50.

Back

Between 7 and 8, closer to 7.

Front

What is the nearest hundredth of √7?

Back

Approximately 2.65.

Front

What is the nearest hundredth of √155?

Back

Approximately 12.45.

Front

How do you estimate square roots?

Back

Find two perfect squares between which the number lies and determine which is closer.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer with itself.

Front

List the first five perfect squares.

Back

0, 1, 4, 9, 16.