Algebra 1A / 1B Curriculum • Chapter 8

Module 5: Systems of Linear Equations and Inequalities

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Daily Calendar 21 Days of Curriculum
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Vocabulary Glossary Key Terms & Definitions
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Teacher Materials Summaries & Alignments

Curriculum Objectives

  • Use a graph to find the solution of a system of linear equations
  • Solve a system of equations by using the substitution method
  • Solve a system of equations by using elimination with addition and subtraction
  • Solve a system of equations by using elimination with multiplication
  • Graph systems of linear inequalities on the coordinate plane
  • Solve real-world business and economics problems involving break-even points
  • Model constrained optimization problems using systems of inequalities

Flexible Projects & Lab Activities

3 Projects Available
Teacher Guidance

Projects are flexible unit-level learning investigations chosen by the teacher. They belong to the module in general rather than specific days, giving educators freedom to schedule or assign them at their discretion throughout the unit.

Project: Using Systems in Business

Cost function vs. revenue function break-even analysis for commercial ventures.

Project: Advertising Time

Linear programming and budgeting models for broadcast advertising schedules.

Lab: Solving Systems with Algebra Tiles

Concrete geometric manipulatives to model and solve linear systems.