Learning Goal: Re-Engage with systems of equations and understand what a system is.

3 Act Math

• Two Trains (Jon Orr)
  • Lesson Implementation Guide
  • Use big whiteboards and have each group member write with different colors
  • Write pre-scripted questions for audience members to ask during presentations

Classwork

• Connection Handout

Answers

• Link to Answers

Standards

• Common Core
  • HSA.REI.C.6 – Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables.
• TEKS
  • A.5(C) – solve systems of two linear equations with two variables for mathematical and real-world problems