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DIY Maths: Radicals basics


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 to simplify square roots

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

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square roots
working with radicals in algebra
mathematics radicals