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Henrico County Public Schools, Virginia
 
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Module - Systems of Equations
Lesson 3 - Solving Systems by Elimination Using Addition and Subtraction

Lessons

1-

Graphing Systems of Equations

2-

Solving Systems by Substitution

3-

Solving Systems by Elimination Using Addition and Subtraction

4-

Solving Systems by Elimination Using Multiplication

5-

Solving Systems of Inequalities by Graphing

6-

Module Review

 

 
SOL

A.4e -The student will solve multistep linear and quadratic equations in two variables, including solving systems of two linear equations in two variables algebraically and graphically.

Common Core Standards
8.EE.8a 8.EE.8b 8.EE.8c A-CED.3 A-REI.5 A-REI.6 A-REI.11
Warm-up
  1. ExamView Quiz: Solving Systems by Substitution
  2. Warm-up: Adding & Subtracting Polynomials (doc)
Lessons
  1. Notes: Solving Systems by Elimination using Addition and Subtraction (ppt) | Student Notes (doc)
Videos
  1. Video: PH Solving Systems Using Elimination (Adding)
Explore Learning

 

Geogebra

 

Internet Sites
  1. Interactive Notes: Solving Systems by Elimination - lessons and practice problems at Regentsprep.org
Tasks

 

Homework
  1. Casio Calculator Investigation: Solving Systems (doc) | (pdf)
  2. Solving Systems by Elimination Worksheet (pdf)
  3. Glencoe PWS (pdf)
  4. Glencoe SG (pdf)
Journal
  1. Opinion: What would help make you a better student of Algebra? Why?
Study Guide
  1. ExamView Quiz: Solving Systems by Elimination Using Addition and Subtraction
  2. Prentice Hall Quiz
Other
HCPS 2002-