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**In this module you can study radicals, such as square roots and cube roots.**

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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 rootsTake 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 rootsRead about cube roots at mathsisfun.com. At the end of the tutorial, you can take a quiz to check your understanding.
- Download a radicals worksheetCreate your own radicals worksheet at math-aids.com.