Instructional Video
Khan Academy

Khan Academy: Radical Radicals: Simplifying Radical Expressions 3

9th - 10th
Video simplifying the cube root of an algebraic expression by identifying perfect cubes.
Instructional Video
Khan Academy

Khan Academy: Radical Radicals: Square Roots and Real Numbers

9th - 10th Standards
This resource explains how to find the square root of real numbers using their prime factorizations and labeling the results as rational or irrational. [10:19]
Instructional Video
Khan Academy

Khan Academy: Radical Radicals: Understanding Square Roots

9th - 10th Standards
This video provides information and examples about finding the square root of a number.