Five pages of interactive notes, a one-page Check Understanding and two pages of practice problems to enhance the Irrational Numbers PowerPoint lesson, but it can also be used alone. Topics covered include vocabulary, classifying rational vs. irrational numbers, ordering real numbers on the number line, estimating irrational numbers without a calculator, and classifying sets in the real number system. There is no cutting, pasting, folding, etc. on this worksheet, but it does follow the lesson a