Lesson 2: Square and cube roots
Duration of Days: 3
Lesson Objective
Students will use square root and cube root symbols to represent solutions to equations.
Students will evaluate square roots of small perfect squares and cube roots of small perfect cubes
How can we use square and cube roots to solve equations involving powers?
What is the relationship between the side length of a square/cube and its area/volume?
How can we estimate the value of square roots that are not perfect squares?
Radical, Square Root, Perfect Square, Cube Root, Perfect Cube, Exponent, Power, Base
8.EE.A.2: Use square root and cube root symbols to represent solutions to equations. Evaluate square roots of small perfect squares and cube roots of small perfect cubes.
Purpose: To build the algebraic foundation for solving equations involving roots and to prepare students for geometric applications like the Pythagorean Theorem.
DOK Level: 2 (Skill/Concept)
Students may confuse square roots with dividing by 2.
Difficulty identifying that a negative number can have a cube root but not a real square root.
Anchor charts for perfect squares and cubes.
Guided notes for solving equations.
Exit Tickets