All rights reserved . Please read our Privacy Policy . Many mathematical operations have an inverse, or opposite, operation.
Subtraction is the opposite of addition, division is the inverse of multiplication, and so on.
Remember, the square of a number is that number times itself. The square root of a number, n, written is the number that gives n when multiplied by itself. Here are the square roots of all the perfect squares from 1 to 100. Finding square roots of of numbers that aren't perfect squares without a calculator 1. Estimate - first, get as close as you can by finding two perfect square roots your number is between.