*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

# 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