Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A ced.a.4: Equations and Formulas

For Teachers 9th - 10th Standards
In this exercise, students will use inverse operations to solve the equations for the unknown variable, or for the designated variable if there is more than one. Aligns with A-CED.A.4.
Unit Plan
Department of Defense

Do Dea: Algebra 1: Semester 1: Equations

For Students 9th - 10th
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
Handout
Math Planet

Math Planet: Algebra 1: Graphing Linear Systems

For Students 8th - 9th Standards
Gain an understanding of how to solve linear equations by viewing an example and a video lesson. [3:01]
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.b.4.a: Visualizing Completion of the Square

For Teachers 9th - 10th
The purpose of this visualization task is to help provide geometric intuition for the algebraic process called ''completing the square.'' Aligns with HSA-REI.B.4.a.
Article
Other

Universidad Interamericana De Puerto Rico: Desigualidades

For Students 9th - 10th
Spanish content. Clear step by step directions and examples on how to solve inequalities with one variable. A great supplement in algebra class for the Spanish speaking student.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei Solution Sets

For Teachers 9th - 10th Standards
For this task, students are shown the graphs of two equations, with areas bounded by their lines and intersections shaded in different colors. They are asked to write a system of equations or inequalities for each shaded area and explain...