The square root of a number is a number which multiplied by itself,
gives you the original number. Its symbol is called a radical and
looks like this: . For example,
because 3 x 3 = 9. Here are a few other square roots:
The is 4 because 4 x 4 is 16
The is 5 because 5 x 5 is 25
Now, here's a problem for you:
What is the square root of 36?