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.

Front

Is 196 a perfect square?

Back

Yes, 196 is a perfect square because it equals 14 x 14.

Front

What is the square root of 16?

Back

The square root of 16 is 4.

Front

What do we call the symbol √?

Back

The symbol √ is called the radical symbol.

Front

What is 11² equal to?

Back

11² equals 121.

Front

Which of the following is not a perfect square: 81, 121, 361, 198?

Back

198 is not a perfect square.

Front

What is the square root of 25?

Back

The square root of 25 is 5.

Front

What is the definition of a square number?

Back

A square number is the result of multiplying an integer by itself.

Front

What is the square root of 49?

Back

The square root of 49 is 7.

Front

Is 144 a perfect square?

Back

Yes, 144 is a perfect square because it equals 12 x 12.