Estimating Square Roots (Math 8C)

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.

Front

What is a perfect square?

Back

A perfect square is an integer that is the square of another integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

Front

Estimate the square root of 44. Between which two integers does it lie?

Back

The square root of 44 lies between 6 and 7.

Front

Estimate the square root of 77. Between which two integers does it lie?

Back

The square root of 77 lies between 8 and 9.

Front

What is the approximate value of √13 rounded to the nearest hundredth?

Back

√13 is approximately 3.6 when rounded to the nearest hundredth.

Front

What is the approximate value of √7 rounded to the nearest hundredth?

Back

√7 is approximately 2.7 when rounded to the nearest hundredth.

Front

How do you determine if a number is a perfect square?

Back

To determine if a number is a perfect square, find its square root and check if it is an integer.

Front

Which of the following is NOT a perfect square: 196, 169, 121, 132?

Back

132 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 square root of 36?

Back

The square root of 36 is 6.