https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-radicals/v/introduction-to-square-roots

Learn about the square root symbol (the principal root) and what it means to find a square root. Also learn how to solve simple square root equations.

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-radicals/v/understanding-square-roots

Where the square, and the square root comes from is the area of a square. What if you know how big a square property is, and you want to build a fence?

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-radicals/e/square_roots

Practice finding the square root of a perfect square positive integer.

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/v/simplifying-square-roots-1

Roots are nice, but we prefer dealing with regular numbers as much as possible. So, for example, instead of √4 we prefer dealing with 2. What about roots that ...

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-higher-index-roots/v/radical-expressions-with-higher-roots

They had the square root of 100 and it said siplify. 10 right but there are 2 blank spots what do I do? my question is answered! thanks! feel free to vote up if you ...

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-square-roots/v/approximating-square-roots

The square root of a number is the number that when you multiply it by itself two times, you get your original number. The cube root is the number that when you ...

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/v/approximating-square-roots-2

Learn how to find the approximate values of square roots. The examples used in this video are √32, √55, and √123. The technique used is to compare the ...

https://www.youtube.com/watch?v=ROIfbUQrSY4

Aug 3, 2010 ... Understanding Square Roots Practice this lesson yourself on KhanAcademy.org right now: ...

https://www.khanacademy.org/tag/square-roots

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a ...

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-square-roots/a/square-roots-review

Review square roots, and try some practice problems.