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 formula to find the area of a square?

Back

The area of a square is found using the formula: Area = side length × side length.

Front

If a square has a side length of 6 cm, what is its area?

Back

36 cm²

Front

What is the square root of 64?

Back

8

Front

What do we call the number under the radical sign in √x?

Back

The number under the radical sign is called the radicand.

Front

What is the square root of a perfect square?

Back

The square root of a perfect square is an integer. For example, the square root of 25 is 5.

Front

What is the radical symbol?

Back

The radical symbol (√) is used to indicate the square root of a number.

Front

What is 9²?

Back

81

Front

Which of the following is not a perfect square: 36, 49, 50, 64?

Back

50

Front

What is the square root of 121?

Back

11