Estimating Square Roots

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

Between which two whole numbers is √20?

Back

4 and 5.

Front

How do you estimate the square root of a non-perfect square?

Back

Find the two perfect squares it lies between and estimate based on their square roots.

Front

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

Back

3.6.

Front

What is the approximate value of √28 rounded to the nearest hundredth?

Back

5.3.

Front

Which number has a square root that is between 5 and 6?

Back

28.

Front

What is the method to round a square root to the nearest hundredth?

Back

Calculate the square root and round the result to two decimal places.

Front

What is the significance of perfect squares in estimating square roots?

Back

Perfect squares help identify the range within which the square root of a non-perfect square lies.

Front

How can you verify if your estimated square root is correct?

Back

Square your estimated value and check if it is close to the original number.

Front

What is the square root of 25?

Back

5.