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Cube Roots

Cube Roots . Math notebook, calculator & pencil . Last Week. Last week we focused on factoring the square roots of numbers and solving equations with square roots Today, we will be focusing on cube roots. Can any one tell me what a “cube root” is?. Square Roots.

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Cube Roots

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  1. Cube Roots Math notebook, calculator & pencil

  2. Last Week • Last week we focused on factoring the square roots of numbers and solving equations with square roots • Today, we will be focusing on cube roots. • Can any one tell me what a “cube root” is?

  3. Square Roots • With square roots we took “pairs out” • The opposite of a square root is a number “squared” • Example: 2 squared is equal to √4

  4. Cube Roots • When factoring with square roots our objective was to find “pairs” to pull out, our objective with cube roots is to pull what out? • This is the special symbol that means "cube root", it is the "radical“ symbol (used for square roots) with a little three to mean cube root.

  5. Let’s Practice • What is the cubed root of 8 • What is the cubed root of 27

  6. Practice • Factoring the following numbers to find the cubed root • Cubed root of 64 • Cubed root of 125 • Cubed root of 216

  7. Practice • Cubed root of 96 • Cubed root of 120 • Cubed root of 1331

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