Square, Square Root (Rational & Irrational)

Front

What is a square number?

Back

A square number is the product of an integer multiplied by itself. For example, 4 is a square number because 2 x 2 = 4.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer. Examples include 1, 4, 9, 16, and 25.

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.

Front

Is 25 a perfect square?

Back

Yes, 25 is a perfect square because it is 5 x 5.

Front

Is 2 a perfect square?

Back

No, 2 is not a perfect square because there is no integer that can be multiplied by itself to get 2.

Front

What is the square root of 64?

Back

The square root of 64 is 8.

Front

Which of the following is a perfect square: 36, 50, 75?

Back

36 is a perfect square because it is 6 x 6.

Front

What is the square of 7?

Back

The square of 7 is 49, because 7 x 7 = 49.

Front

Is 49 a perfect square?

Back

Yes, 49 is a perfect square because it is 7 x 7.

Front

What is the square root of 121?

Back

The square root of 121 is 11.