Lesson Plan
Curated OER

Solving Systems by the Elimination Method

For Teachers 9th - 12th Standards
Pupils solve equations by elimination and use the TI to graph the lines and find the point of intersection.
PPT
Curated OER

Chemical Equations and Reactions

For Teachers 9th - 12th
Graphic organizers, photos, diagrams, and text bring the world of chemical reactions to life. By viewing this presentation, young chemists learn how to recognize when a chemical reaction has occurred, and how to balance chemical...
Lesson Plan
Alabama Learning Exchange

Systems on a Mission

For Teachers 6th - 8th Standards
Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.
Lesson Plan
EngageNY

Another Computational Model of Solving a Linear System

For Teachers 8th Standards
The process of elimination really works! Use elimination when substitution isn't doing the job. The 29th segment in a series of 33 introduces the elimination method to solving linear systems. Pupils work several exercises to grasp the...
Lesson Plan
Curated OER

Solving a Pair of Linear Equations by Graphing

For Teachers 9th - 12th Standards
Teach your math lovers how to solve linear equations by graphing. Young scholars identify pairs of coordinates and use it to graph a line and use the TI to graph and observe the line.
Lesson Plan
Curated OER

Solving Systems of Linear Equations: Extra Practice 31

For Teachers 8th - 9th
In this math worksheet, young scholars solve systems of two linear equations using either the substitution method or the elimination method. Seven of the twenty problems have a coefficient of one for one of the two variables.
Worksheet
Curated OER

Solving Systems of Linear Equations in Three Variables

For Students 10th - 12th Standards
Practice solving linear systems of three equations with three unknowns using the elimination method and substitution method. This handout includes graphics of different combinations of intersecting planes to help illustrate the different...
Worksheet
Curated OER

Solving Linear Systems by Substitution #1

For Students 6th
In this problem solving worksheet, 6th graders work out and solve 4 mathematical equations involving linear systems by substitution #1.
Worksheet
Curated OER

Solving Polynomial Equations

For Students 8th - 11th Standards
This worksheet and tutorial explores solving more complex polynomials by graphing each side separately and finding the point of intersection, identifying the sum and differences of cubes, and solving higher degree polynomials by using...
Worksheet
Curated OER

Twenty-Four Linear Systems Solved Using Substitution and Elimination

For Students 10th - 12th
In this solving linear systems worksheet, students solve twenty-four systems using the substitution and elimination methods.  Definitions and examples are provided.
Lesson Plan
Curated OER

Know the System

For Teachers 8th - 11th
Students identify the different systems of equations. In this algebra lesson plan, students solve systems of equations using graphing, elimination and substitution. They use the Ti to graph their systems.
Worksheet
Curated OER

Solving Linear Systems by Substitution

For Students 8th - 11th Standards
Practice solving two equations with two unknowns. Here are five problems for using the substitution method. Included are clear, concise step-by-step instructions for the learner to follow. Problems start out easy and gradually get...
Worksheet
Curated OER

Solving Systems Algebraically

For Students 8th - 11th
In this algebra lesson, learners solve systems of equations. They solve using substitution and elimination. There are 10 questions.
Lesson Plan
Curated OER

Solving Systems of Equations

For Teachers 10th - 12th
Students identify the quadrants and axis of a coordinate plane. In this algebra lesson, students discover the ocrrect way to graph using the coordinate plane. They discuss the relationship between x and y values, domain and range and...
Assessment
Charleston School District

Pre-Test Unit 6: Systems

For Students 8th - 9th Standards
As if solving equations with an x isn't tricky enough, now they add a y, too? A pre-assessment gauges the knowledge of your classes related to systems. They are asked to solve graphically and algebraically and to solve word...
Lesson Plan
Curated OER

Review of Systems of Equations

For Teachers 10th - 12th
Students work to complete various algebraic equations using different methods. Given a word problem, students create a poster identifying the various parts of the equation as well as the solution to the problem. Posters are presented...
Worksheet
Curated OER

Unit 9 Review

For Students 8th - 10th
Middle and high schoolers solve and complete 15 various types of problems that include evaluating expressions and graphing. First, they use the substitution method to solve pairs of equations for a variable. Then, students write out a...
Worksheet
Curated OER

The Five Equation Problem

For Students 11th
In this algebra worksheet, 11th graders solve systems of equations by deciphering word problems and using substitution. There is an answer key for this problem.
Worksheet
Curated OER

Equations of Lines Perpendicular and Parallel

For Students 9th - 11th
In this algebra worksheet, students solve linear equations using one and two steps. They solve systems of equations using substitution and elimination with graphing. There are links for ready made tests and quizzes.
Lesson Plan
Curated OER

Solving Systems of Equations by graphing for Algebra One

For Teachers 7th - 11th
Students watch the teacher demonstrate on an overhead projector how to graph various equations before the students try them on their own. They start with pencil and paper; once they grasp the concept they move on to punching in the...
Lesson Plan
Curated OER

Graphing Linear Functions

For Teachers 7th - 8th
Students practice solving systems of linear equations using the substitution and elimination methods. They determine if the system has one, infinite or no solution. Students also graph the linear equations.
Assessment
Inside Mathematics

Number Towers

For Teachers 9th - 12th Standards
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
Lesson Plan
1
1
EngageNY

Overcoming a Third Obstacle to Factoring— What If There Are No Real Number Solutions?

For Students 10th - 12th Standards
Time for pupils to use their imagination! Learners examine the relationship between a system with no real solution and its graph. They then verify their discoveries with algebra. 
Worksheet
Curated OER

Substitution and Elimination

For Students 9th - 12th
In this substitution and elimination worksheet, high schoolers complete short answer problems for substitution and elimination and read notes about them as well. Students complete 13 problems.