For example, if we need to find the square root of 81, we should type 81 in the calculator and then press the symbol √ to get its square root. We will get √81 = 9.

Free square root math topic guide, including step-by-step examples, free practice questions, teaching tips and more!

First learn about Squares, then Square Roots are easy. ... Squared is often written as a little 2 like this ... This says 4 Squared equals 16 (the little 2 says the number appears

Square roots are the opposite of squaring a number or multiplying it by itself. For example, 4 squared equals 16 (4 2 = 1 6 42 = 16). This means that the square root of 16 equals 4. Using mathematical …

For example, both + 5 and 5 are square roots of 25 because: 5 × 5 = 25. (5) × (5) = 25. Thus, every positive real number n has two square roots—a positive square root (n) and a negative square root …

The square root of a number is a non-negative value that, when squared, equals the number (e.g., ?9 = 3 as 3² = 9). Learn the definition, properties, and examples of square roots.

Finding the square root of a perfect square is relatively simple. As long as you recognize some perfect squares, you can probably square a few numbers that are close and find the solution fairly quickly. …

Finding the square root of a number is the opposite of squaring a number. If the square root is a whole number, it is called a perfect square! In this example, 16 is a perfect square because its square root …

Last updated at July 30, 2025 by Teachoo.

To understand how you find a square root, you need to go through the basics of the concept. For how do you find out the square root, there are several methods, each suited for different scenarios. Let’s …