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The square root of a number, x, is the number that equals x when multiplied by itself.
The square root of 4 is 2, since 2 multiplied by itself equals 4.

Numbers - Square Roots - In Depth - Math.com

www.math.com/school/subject1/lessons/S1U1L9DP.html

Squaring, which we learned about in a previous lesson (exponents), has an inverse too, called "finding the square root." Remember, the square of a number is ...

Numbers - Square Roots - First Glance - Math.com

www.math.com/school/subject1/lessons/S1U1L9GL.html

Finding the square root of a number is the inverse operation of squaring that number. Remember ... The perfect squares are the squares of the whole numbers .

Square Root Calculator - Math.com

www.math.com/students/calculators/source/square-root.htm

The Square Root Calculator will find the square root of the number you enter. ... Related Topic How to calculate square roots without a calculator ...

www.ask.com/youtube?q=Square Root of a Number&v=nUyLnjgGumg
Mar 24, 2015 ... Finding the square root is easy for any perfect square under 100! You'll be ... Square root of ANY number instantly - shortcut math. - Duration: ...

Calculate square root without a calculator - Homeschool Math

www.homeschoolmath.net/teaching/square-root-algorithm.php

Since this method involves squaring the guess (multiplying the number times itself), it uses the actual definition of square root, and so can be very helpful in ...

Finding Square Roots - Fact Monster

www.factmonster.com/ipka/A0932229.html

The easiest way to find a square root is to use a calculator, but you can do it without one. Here's one way, using 12 as an example of the squared number:.

Square Root Calculator

www.squarerootcalculator.co/

Interactive square root calculator that can handle negative, imaginary, and complex numbers.

Squares and Square Roots - Math is Fun

www.mathsisfun.com/square-root.html

"Squared" is often written as a little 2 like this: square root of 9 is 3. This says "4 Squared equals 16" (the little 2 says the number appears twice in multiplying) ...

Square root of a number - Basic mathematics

www.basic-mathematics.com/square-root-of-a-number.html

This lesson will show you how to find the square root of a number.