Square and Square Roots

Front

What is the definition of a square number?

Back

A square number is an integer that is the square of an integer, meaning it can be expressed as n^2 where n is an integer.

Front

What is the square of 5?

Back

25

Front

What is the square root of 16?

Back

4

Front

What is the relationship between squares and square roots?

Back

The square root of a number is a value that, when multiplied by itself, gives the original number. For example, √(n^2) = n.

Front

What is a perfect square?

Back

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

Front

What is the square of 2?

Back

4

Front

If the area of a square is 36 cm², what is the length of one side?

Back

6 cm, because the side length is the square root of the area (√36 = 6).

Front

How do you calculate the perimeter of a square?

Back

The perimeter of a square is calculated by adding up all four sides, or using the formula P = 4s, where s is the length of one side.

Front

What is the perimeter of a square with a side length of 10 cm?

Back

40 cm, because P = 4 * 10 = 40.

Front

What is the square root of 81?

Back

9