Interactive
CK-12 Foundation

Linear Systems with Addition and Subtraction: Fill in the Boxes 1

For Students 8th - 10th Standards
Eliminate a color by dragging shapes. The interactive provides a graphical color display that allows for pupils to solve a linear system by elimination. Learners combine figures following set rules for positive and negative shapes. The...
Worksheet
Curated OER

Solving Systems of Equation by Elimination

For Students 9th - 10th
In this algebra worksheet, students solve systems of equations using elimination or linear combination. There are 24 questions with an answer key.
Lesson Plan
Curated OER

Solving Systems vis Elimination

For Teachers 10th - 11th
Students solve systems of equation using elimination. In this algebra lesson plan, students identify the type of solutions produces by systems of equations. They discuss the type of lines formed given a linear pair.
PPT
Curated OER

Finding X and Y Intercepts

For Teachers 8th - 10th
How can you solve systems of linear equations? This slideshow introduces learners to the substitution method, the elimination method using addition and subtraction, and the elimination method using multiplication. Guided practice...
Lesson Plan
1
1
EngageNY

Solution Sets to Simultaneous Equations (part 2)

For Students 9th - 10th Standards
Do you want your budding mathematicians to be able to explain 'why' and not just 'do'? This lesson encourages an understanding of the process of elimination. Pupils are expected to understand how and why the elimination method is a valid...
Worksheet
Curated OER

System of Equations: Elimination Method Using Addition and Subtraction

For Students 8th - 11th Standards
In this system of equations worksheet, learners decide if the addition, subtraction, or substitution method works best for 15 problems of two equations and two unknowns and then use the preferred method to solve the system. Theys are...
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
EngageNY

Linear Systems in Three Variables

For Students 10th - 12th Standards
Put all that algebra learning to use! Using algebraic strategies, learners solve three-variable systems. They then use the three-variable systems to write a quadratic equation given three points on the parabola.
Unit Plan
1
1
Mathematics Vision Project

Module 2: Systems of Equations and Inequalities

For Teachers 8th - 10th Standards
The brother-sister pair Carlos and Clarita need your class's help in developing their new pet sitting business. Through a variety of scenarios and concerns presented to the siblings, the learners thoroughly explore systems of equations...
Worksheet
Washingtonville Central School District

Systems of Equations (Substitutes and Elimination)

For Students 9th - 12th Standards
With a whopping total of 66 questions, here is a resource that provides a full variety of systems of equations questions using elimination and substitution solution methods.
Worksheet
Curated OER

Solving Systems of Three Equations with Elimination

For Students 9th - 12th
In this systems of equations instructional activity, high schoolers solve 13 systems of equations.  Students use elimination to solve three variable systems of equations.
Lesson Plan
Curated OER

Solving by Substitution or Elimination

For Teachers 8th - 9th
In this algebra worksheet, pupils solve two systems of linear equations by substitution. They solve 5 systems by using the elimination method. The final 4 problems involve systems of linear equations, but students are given the option of...
Lesson Plan
Curated OER

Solving Systems of Equations Algebraically

For Teachers 9th - 10th
Students solve systems of equations algebraically. In this algebra lesson, students solve systems using substitution and elimination. They solve linear and quadratic systems.
Lesson Plan
Curated OER

Systems of Equations and Real Life

For Teachers 9th - 12th
What a great classroom resource! The intention of this lesson is to show that real-world math can and should be applied to the community in which your students reside. The class relates properties of equations to solving for species...
Lesson Plan
Curated OER

Solving Systems by Substitution

For Teachers 9th - 10th
Students solve systems of linear equations using substitution. They investigate the steps to solving linear equations by substitution and practice problems in small groups.
Activity
5280 Math

Go with the Flow

For Teachers 8th - 12th Standards
Round and round they go ... where they stop, only scholars will know. By writing systems of equations, classes determine the number of cars a roundabout can handle given specific constraints. Systems use up to six variables and become...
Interactive
Curated OER

Solving System of Equations by Multiplication and then Addition or Subtraction

For Students 9th - 12th
In this online math worksheet, high schoolers solve equations to determine the value of "x" and "y." This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
Assessment
Mathed Up!

Simultaneous Equations with a Quadratic

For Students 9th - 12th
Viewers discover how to solve quadratic-linear systems with a video that first explains the substitution method for solving a system of equations involving a quadratic. Scholars then complete a learning exercise of practice problems.
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

Simultaneous Equations Using Elimination

For Teachers 9th - 12th
High schoolers solve a system of two unknowns.  In the Algebra activity, students use a on line computer applet/program to solve a system by the elimination method.  The student's work is self checking, giving immediate...
Lesson Plan
Curated OER

Solving Systems of Linear Equations: Elimination Method

For Teachers 9th - 11th
In this linear equation worksheet, students solve systems of equations by using the elimination method. This one-page worksheet contains eight problems, with answers.
Lesson Plan
Curated OER

Solving Systems of Linear Equations

For Teachers 9th - 11th
In this linear equation worksheet, students use the substitution or elimination method to solve systems of equations. There are 20 problems on this two-page worksheet.
Lesson Plan
Curated OER

Solving Systems of Linear Equations: Extra Practice 31

For Teachers 8th - 9th
In this math worksheet, students 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.
Lesson Plan
Curated OER

Solving Systems of Linear Equations

For Teachers 10th - 11th
In this linear equation worksheet, students solve systems of linear equations by using the substitution and elimination methods. Explanations and examples are provided prior to the problems. There are 20 problems to solve on this...