Radicals 01: Introduction to Radicals

In this video, we are going to learn what radicals are.

  • We show that taking the square root is the opposite of squaring and is shown by the radical sign
  • We review the perfect squares up to 100
  • We do a few examples of finding the square roots of perfect squares
  • We explain that taking the square root of a non perfect square is an irrational number
  • We show how to use a calculator to find the square root of a non perfect square
  • We review how to round a square root to the nearest hundredth