How to Find the Square Root of a Number

In this lesson you will learn how to find the square root of a number without using a calculator. You can even find the square roots of large numbers by following this simple algorithm. The following video demonstrates how to find the square root by hand. Click the play button to see the algorithm.



Sometimes you might want to estimate a square root instead of applying the above algorithm. Click here to learn how to estimate a square root by rounding it to the nearest whole number.

If you just want to see some simple square roots or want to know what perfect squares are, click here



Return from How to Find the Square Root of a Number to Math Videos Online