Table of Contents

## An Introduction to Square Root

A square root is a mathematical operation that extracts a number, called a radical, from a square root sign. For example, the square root of 64 is 8.

The square root of a number is the positive number that, when multiplied by itself, gives the number. In other words, the square root of a number is the length of the side of a square with the same area as the number.

The square root of a number can be found using a calculator, or by hand using the division algorithm.

## Significant Facts About ‘1’

There are many significant facts about the number 1. Some of these include the following:

- 1 is the smallest whole number
- It is the first prime number
- 1 is the only number that is both a whole number and a prime number
- It is the only number that is its own square root
- 1 is the only number that is its own reciprocal
- It is the only number that is its own factorial

## Square Root of +1

The square root of +1 is equal to the square root of -1, which is equal to 1.

## Value of Square Root of -1

The square root of -1 is not a real number.

## Square root 1 to 10:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10

## Significance of Square Roots

The square root of a number is the number that, when multiplied by itself, results in the given number. Square root of 4 is 2, because 2 multiplied by itself equals 4. The square root of 9 is 3, because 3 multiplied by itself equals 9.

Square root of a number is a representation of how many times the number can be multiplied by itself to equal the original number. The square root of a number is also used to find the positive square root of a number.

## Learn Square Roots Easily

To find a square root, use a calculator to divide the number you are trying to find the square root of by itself. This will give you the square root of the number.