A.3(G)

Systems of Equations: Substitution Method (Day 2)

50 Minute Class, Algebra 1, Curriculum

Learning Goal: Build procedural fluency with solving systems by substitution.

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.2(I) – write systems of two linear equations given a table of values, a graph, and a verbal description
    • A.3(F) – graph systems of two linear equations in two variables on the coordinate plane and determine the solutions if they exist
    • A.3(G) – estimate graphically the solutions to systems of two linear equations with two variables in real-world problems
    • A.5(C) – solve systems of two linear equations with two variables for mathematical and real-world problems