Mathematics for Elementary Teachers: A Conceptual Approach, 8/e
Decimals: Rational and Irrational Numbers
6.4 Irrational and Real Numbers
Special Topics
Section 6.4
Irrational and Real Numbers: Introduces irrational numbers through the Pythagorean theorem and models these numbers with number lines and grids. Number properties of the real numbers are listed an used in techniques for mental calculation and estimation. Subsections: Pythagorean Theorem; Square Roots and Other Roots; Real Numbers; Properties of Real Numbers; Operations with Irrational Numbers; Problem-Solving Application One-page Math Activity: Irrational Numbers on Geoboards