N-RN.1

Explain how the definition of the meaning of rational exponents follows from extending the properties of integer exponents to those values, allowing for a notation for radicals in terms of rational exponents. For example, we define 51/3 to be the cube root of 5 because we want (51/3)3 = 5(1/3)3 to hold, so (51/3)3 must equal 5.

Internet Resources (Videos, Websites, etc.)

Alabama Lesson Plans

  1. Just the facts! Exploring Order of Operations and Properties of Real Numbers
  2. Calendar Fun Operations
  3. You Mean ANYTHING To The Zero Power Is One?

Hot Math

  1. Rational Exponent Problems (HotMath.com)

Illustrative Mathematics Project

  1. Illustrations

Khan Academy

  1. Exponents 3 – Rational Exponents (Practice)
  2. Level 3 Exponents – Fractional Exponents (Video)
  3. Radical Equivalent to Rational Exponents (Video)
  4. Radical Equivalent to Rational Exponents 2 (Video)
  5. Rational Exponents and Exponent Laws (Video)
  6. More Rational Exponents and Exponent Laws (Video)

Math Celebrity

  1. Rational Exponent Calculator (MathCelebrity.com)

Math Warehouse

  1. Simplifying Rational Exponents (MathWarehouse.com)

Mathematics Assessment Project (MAP)

  1. N01: The Real Number System

NCTM Illuminations

  1. Tree Core Models
  2. Not to Fret
  3. Seeing Music, Hearing Waves: Selected Answers and Solutions

PDF Lesson

  1. Rational Exponent Lesson

Regents Prep

  1. Discovering the Laws of Rational Exponents

Shmoop

  1. Explanation
  2. Quiz

YouTube

  1. Algebra 2 – Rational Exponents

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