Perfect Squares and Square Roots

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer multiplied by itself. 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 16 is 4 because 4 x 4 = 16.

Front

What is the symbol for square root?

Back

The symbol for square root is √. For example, √9 = 3.

Front

What is 3 squared?

Back

3 squared is 3 x 3 = 9.

Front

What is the square of 5?

Back

The square of 5 is 5 x 5 = 25.

Front

What is the relationship between perfect squares and square roots?

Back

The square root of a perfect square is always an integer. For example, √25 = 5.

Front

What is 4 squared?

Back

4 squared is 4 x 4 = 16.

Front

What is the square root of 36?

Back

The square root of 36 is 6 because 6 x 6 = 36.

Front

If x² = 49, what is x?

Back

x = 7 or x = -7, since both 7 x 7 and -7 x -7 equal 49.

Front

What is the square of 10?

Back

The square of 10 is 10 x 10 = 100.