More Lessons for Grade 8

Math Worksheets

Videos, worksheets, stories and songs to help Grade 8 students learn about positive and negative square roots.

There are actually two numbers that are the square root of 25.

The principal square root or positive square root is 5, but there is also the negative square root which is − 5.

Positive and Negative Square Roots

How to find square roots of integers.

Principal and Negative square roots. Square roots of negative numbers.

Definition and examples of the cube root.

Practice with positive and negative roots (principal and non principal roots)

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.