Perfect Squares and Square Roots

Front

What is a perfect square?

Back

A perfect square is an integer that is the square of another integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

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. For example, the square root of 36 is 6 because 6 x 6 = 36.

Front

List the first five perfect squares.

Back

The first five perfect squares are 1 (1x1), 4 (2x2), 9 (3x3), 16 (4x4), and 25 (5x5).

Front

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

Back

To determine if a number is a perfect square, find its square root and check if the result is an integer. If it is, the number is a perfect square.

Front

What is the square root of 64?

Back

The square root of 64 is 8.

Front

What is the square root of 49?

Back

The square root of 49 is 7.

Front

What is the square root of 121?

Back

The square root of 121 is 11.

Front

What two integers is √50 between?

Back

√50 is between 7 and 8.

Front

What is the square root of 225?

Back

The square root of 225 is 15.

Front

Is 81 a perfect square?

Back

Yes, 81 is a perfect square because it is 9 x 9.