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In this module you can study radicals, such as square roots and cube roots.
The 11-minute video above is a long explanation of square roots and radicals. She starts by reviewing how to square a number. If you want to skip that part, start the video at 3:00.
This video demonstrates how taking a square root of a number is the opposite of squaring a number.
Did you know?
The number inside the radical sign is called the radicand.
Radicals are the inverse of exponents. For example, to "undo" a square, you take the square root.
Study and practice
Study square roots
Take a lesson in square roots at math.com. At the end of the lesson, there's an online quiz to help you check your understanding.
Study cube roots
Read about cube roots at mathsisfun.com. At the end of the tutorial, you can take a quiz to check your understanding.
Download a radicals worksheet
Create your own radicals worksheet at math-aids.com.
Search for more info
Use these search terms to find your own resources:
working with radicals in algebra
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