Khan Academy
Square Roots And Real Numbers, Pre-Algebra
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 preparing to take on more challenging algebra work.
Curated OER
Rational and Irrational Numbers
Irrational, rational, and terminating numbers are all covered in this math tutorial. The instructor uses a question from a math test to work through, showing how to compute and evaluate each answer to determine if the number given in...