1. Cubes and Cube Roots Wednesday, February 25 th

2. Objective The student will be able to simplify a cube root.

3. Cube Roots

4. What does cube root mean? The cube root of a number is… …the value when multiplied by itself three times gives the original number.

5. Cube Root Vocabulary index radicand radical sign

6. Perfect Cubes If a number is a perfect cube, then you can find its exact cube root. A perfect cube is a number that can be written as the cube (raised to third power) of another number.

7. What are Perfect Cubes? 1 3 = 1 x 1 x 1 = 1 2 3 = 2 x 2 x 2 = 8 3 3 = 3 x 3 x 3 = 27 4 3 = 4 x 4 x 4 = 64 5 3 = 5 x 5 x 5 = 125 and so on and on and on…..

8. Examples: because

9. Examples: