Unit 8 - Lesson 13 - Grade 8: Illustrative Mathematics

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12 Questions

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Grade 8 Unit 8
Lesson 13: Cube Roots
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 8 Unit 8
Lesson 13: Cube Roots
CC BY 2021 Illustrative Mathematics®

Lesson: Cube Roots

Cube Root Values

What two whole numbers does each cube root lie between? Be prepared to explain your reasoning.

Solutions on a Number Line

The numbers x, y, and z are positive, and:

          x3 = 5              y3 = 27              z3 = 700 

10.

Plot x, y, and z on the number line. Be prepared to share your reasoning with the class.
Plot \sqrt[3]{2} on the number line.

Cool Down: Different Types of Roots

Different Types of Roots

Lin is asked to place a point on a number line to represent the value of \sqrt[3]{49} and she writes: 

11.

12.