Handout
Oak Ridge National Laboratory

Ornl: 7 Gaussian Elimination on Band Matrices

For Students 9th - 10th Standards
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Simultaneous Linear Equations

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains how to solve systems of linear equations using the methods of combination, substitution, and Cramer's Rule. There are example problems solved, problems for the student to attempt, and...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Systems of Nonlinear Equations

For Students 9th - 10th Standards
Learn how to solve a system of nonlinear equations using the substitution and the elimination methods. This tutorial offers definitions, problems and step-by-step solutions, and practice exercises for you to complete and check.
Handout
CK-12 Foundation

Ck 12: Algebra: Linear Systems: Solve by Elimination Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review linear systems, specifically solving by elimination. Examples are included.
Handout
Other

Morgan State: Linear Algebraic Equations and Matrices

For Students 9th - 10th Standards
This site gives information on linear equations and matrices. Among the topics discussed are the substitution method, Gauss-Jordan Elimination Method, matrix operations, matrix multiplication, and inverse matrices.
Activity
J Coffman

Joseph Coffman's Lecture Notes: Solving Systems of Equations Algebraically

For Students 9th - 10th Standards
The lesson explores solving systems of equations algebraically. Topics discussed are the elimination method, substitution method, addition property, and special cases. Examples with detailed solutions and an assessment are included.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Solving Systems of Linear Equations in Three Variables

For Students 9th - 10th Standards
This tutorial will show you how to solve a system of linear equations in three variables by using the elimination method. Complete with definitions, example problems with step-by-step solutions, and practice exercises for you to complete...
Unknown Type
McGraw Hill

Glencoe Mathematics: Quiz on Solving Systems of Linear Equations

For Students 9th - 10th Standards
Learners show comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on solving systems of linear equations. Topics include solving systems using graphing, substitution, and elimination methods.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 5 [Pdf]

For Students 9th - 10th
Learners solve a system of linear equations using elimination. The resource is available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 6 [Pdf]

For Students 9th - 10th
Learners solve a system of linear equations using elimination. The resource is available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 3 [Pdf]

For Students 9th - 10th
The example explores using elimination to solve a system of linear equations. The resource consists of an enlarged printable version of the two graphs available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 4 [Pdf]

For Students 9th - 10th
The example explores using elimination to solve a system of linear equations. The resource consists of an enlarged printable version of the two graphs available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 7 [Pdf]

For Students 9th - 10th Standards
Students label two different linear graphs and solve the system of equations. The exercise is available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 8 [Pdf]

For Students 9th - 10th Standards
Students label two different linear graphs and solve the system of equations. The exercise is available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 19 [Pdf]

For Students 9th - 10th
The practice problem examines a system of linear equations. The math graphs are available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 20 [Pdf]

For Students 9th - 10th
The practice problem examines a system of linear equations. The math graphs are available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 15 [Pdf]

For Students 9th - 10th
Learners identify the graphs of a system of linear equations and then solve the system. The practice exercise is available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 16 [Pdf]

For Students 9th - 10th Standards
Learners identify the graphs of a system of linear equations and then solve the system. The practice exercise is available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 13 [Pdf]

For Students 9th - 10th Standards
The practice exercise has students solve a system of linear equations and identify the graphs of the equations. The graphs are available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 14 [Pdf]

For Students 9th - 10th Standards
The practice exercise has students solve a system of linear equations and identify the graphs of the equations. The graphs are available in PDF format.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Multiplication

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve systems of linear equations that require multiplication and addition or subtraction to eliminate one of the variables.
Handout
Oswego City School District

Regents Exam Prep Center: Solving Systems Using Addition or Subtraction

For Students 9th - 10th Standards
Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...
Lesson Plan
Alabama Learning Exchange

Alex: Systems on a Mission

For Teachers 9th - 10th
After solving one system of equations by the methods of graphing, elimination using addition or subtraction, elimination using multiplication, and substitution, students will be given four systems to be solved by one of each of the four...
Unknown Type
McGraw Hill

Glencoe Mathematics: Quiz on Solving Systems of Equations in Three Variables

For Students 9th - 10th Standards
The online assessment demonstrates knowledge of advanced mathematical concepts in Algebra II. The questions test students on solving systems of equations in three variables. Topics include solving systems using the substitution and...