Perfect Squares & 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 with 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 side length of a square with an area of 121?

Back

11

Front

Which of the following is NOT a perfect square: 49, 81, 111, 144?

Back

111

Front

What is (-6)²?

Back

36

Front

Which of these areas is a perfect square: 12, 90, 40, 64?

Back

64

Front

What is √81?

Back

9

Front

List the first five perfect squares.

Back

1, 4, 9, 16, 25.

Front

What is the formula to find the area of a square?

Back

Area = side length × side length.

Front

If the side length of a square is 5, what is its area?

Back

25