Art of Problem Solving: Square Root Introduction Part 1

Pupils learn to solve square root equations and rationalize denominators. Problems include those with extraneous solutions. 

There are many ways to approach finding the rational approximation of an unknown square root. Here is a problem that will help math learners make a connection between square roots and their order on a number line. As usual, determine two...

Sal works through several problems involving rational and irrational numbers, and shows how to find the difference. This video is a good stepping stone for those who are preparing to take on more challenging algebra work.

Video tutorial uses examples to practice how to solve square root problems. (Part 2) [8:20]

Video tutorial uses examples to reinforce understanding of how to find the square root of a product. [6:30]

This video tutorial discusses some basics tools for working with inequalities. (Part 1) [2:57]

Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between...

If your class has a grasp of square roots, but is having difficulty with the product property of square roots, this video might be for you! In the video, an instructor completes a short proof of the property, defines the property, and...

If your class has a grasp of square roots, but is having difficulty with the product property of square roots, this video might be for you! In the video, an instructor completes a short proof of the property, defines the property, and...

You have been given a square root and need to compare that to a decimal number to find out which one is bigger. How can you make that comparison? One way to do this is to find the square root of the square root number and then compare it...