Mathalicious: To Have and to Hold
Mathalicious

In this lesson, students write and solve multi-step equations to evaluate whether storage unit rentals are worth the cost and make recommendations for when people should store, sell, donate, or toss their unused stuff.

Course summary. Foundations. Algebraic expressions. Linear equations and inequalities. Graphing lines and slope. Systems of equations. Expressions with exponents. Quadratics and polynomials.

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs, Systems of equations and inequalities, and more.

GeoGebra: Writing and Graphing Inequalities IM 6.7.8
GeoGebra

“Writing and Graphing Inequalities” from IM Grade 6 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Interpreting Inequalities IM 6.7.10
GeoGebra

“Interpreting Inequalities” from IM Grade 6 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Subtraction in Equivalent Expressions IM 7.6.18
GeoGebra

“Subtraction in Equivalent Expressions” from IM Grade 7 by Open Up Resources and Illustrative Mathematics.

Inside Mathematics: 7th Grade Math - Algebraic Equations, Inequalities, & Properties
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

This lesson is about trying to get students to make connections between ideas about equations, inequalities, and expressions.

Inside Mathematics: 9th - 12th Grade - Newcomer ELL Algebra - Graphing Quadratics
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

In this lesson, we are working on reasoning and multiple representations around parabolas.