Existence and Uniqueness of Square Roots and Cube Roots

Teach cube roots by building on an understanding of square roots. The third installment of a 25-part series asks learners to solve simple quadratic and cubic equations using roots. Scholars compare square roots and cube roots throughout the lesson plan and make connections to the notation.

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CCSS: Designed
Instructional Ideas

  • Have your classes repeatedly produce a list of perfect squares and perfect cubes until committed to memory
  • Use the practice problems as board work to check for understanding
Classroom Considerations

  • Individuals should be proficient with finding perfect square roots
Pros

  • Provides options for the opening exercise to focus on the needs of individual classrooms
  • Includes checking the solution of the equation as the final step in solving
Cons

  • None
Common Core