
- Intro to square roots (video) | Khan Academy- 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. 
- Square roots review (article) | Khan Academy- Review square roots, and try some practice problems. Square roots The square root of a number is the factor that we can multiply by itself to get that number. The symbol for square root is 1 . … 
- Understanding square roots (video) | Khan Academy- Learn how square root means what number multiplied by itself will result in the given number. Created by Sal Khan and Monterey Institute for Technology and Education. 
- Intro to square roots (video) | Radicals | Khan Academy- 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. 
- Khan Academy | Free Online Courses, Lessons & Practice- Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of … 
- Exponents & radicals | Khan Academy- In this unit, we review exponent rules and learn about higher-order roots like the cube root (or 3rd root). We'll learn how to calculate these roots and simplify algebraic expressions with radicals. 
- Approximating square roots walk through - Khan Academy- Walk through a series of questions and examples that will help you learn how to approximate square roots. 
- Exponents & radicals | Algebra 1 | Math | Khan Academy- Let's review exponent rules and level up what we know about roots. The square root is nice, but let's learn about higher-order roots like the cube root (or 3rd root). 
- Squares and square roots (practice) | Khan Academy- Welcome to Khan Academy! So we can give you the right tools, let us know if you're a... Are you an admin? Learn more about our district offerings! 
- Unit 5: Squares and square roots - Khan Academy- Square roots using prime factorisation (advanced) Get 3 of 4 questions to level up!