Pre-Algebra

Finding the  Square Root of a Number

Square Roots and Square Numbers

squared numbers
 

The square root of a number undoe the squaring of that
number. Example: 3 squared is 9, so the square root of 9
is 3

square root of numbers
 

A few numbers and their square root.

The square root of 1 is 1
The square root of 2 is 1.414
The square root of 3 is 1.732
The square root of 4 is 2
The square root of 5 is 2.236

The square root of 9 is 3
The square root of 16 is 4
The square root of 25 is 5
The square root of 36 is 6
The square root of 49 is 7
The square root of 64 is 8
The square root of 81 is 9
The square root of 100 is 10