IAG - Estimating Square Roots - 2024-25 - NO CALCULATOR!

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 9 is 3 because 3 x 3 = 9.

Front

Between which two integers is the square root of 8 found?

Back

The square root of 8 is between 2 and 3.

Front

How can you estimate the square root of a number without a calculator?

Back

To estimate the square root, find two perfect squares it lies between and determine which one it is closer to.

Front

Back

Front

What is the square root of 144?

Back

The square root of 144 is 12.

Front

What is the square root of 169?

Back

The square root of 169 is 13.

Front

Back

Front

Back

13.2 would NOT come between 12 and 13.

Front

In between which two integers is the square root of 30?

Back

The square root of 30 is between 5 and 6.

Front

Estimate the square root of 10. Between which two integers does it lie?

Back

The square root of 10 lies between 3 and 4.