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Lesson Plan
Curated OER

Solving Systems vis Elimination

For Teachers 10th - 11th
Learners 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.
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Worksheet
Curated OER

Solving Systems of Three Equations with Elimination

For Students 9th - 12th
In this systems of equations worksheet, students solve 13 systems of equations.  Students use elimination to solve three variable systems of equations.
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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.
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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...
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Interactive
Curated OER

Solving System of Equations by Addition or Subtraction

For Students 9th - 12th
In this online math instructional activity, high schoolers solve systems of equations by using addition and subtraction . This excellent resource allows the students to check their answers, and to get "hints" should they run into...
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Lesson Plan
Curated OER

Solving Systems of Equations Algebraically

For Teachers 9th - 10th
Pupils solve systems of equations algebraically. In this algebra lesson, students solve systems using substitution and elimination. They solve linear and quadratic systems.
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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 plan encourages an understanding of the process of elimination. Pupils are expected to understand how and why the elimination method is a...
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Lesson Plan
Curated OER

Solving Problems Using Systems of Equations

For Teachers 10th - 11th
In this system of equation worksheet, students use the substitution and elimination methods to solve systems of equations. Students must read a short story, write the equations the story represents, and then solve the systems of...
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Interactive
Curated OER

Solving System of Equations by Addition

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve systems of linear equations by addition.  The one page interactive worksheet contains ten questions.  Answers and hints are provided.
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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.
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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...
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Lesson Plan
Curated OER

Solving Systems by Elimination

For Teachers 8th - 10th
Students review solving absolute value equations. They watch as the teacher demonstrates solving a system of linear equations by addition. Students practice working problems by multiplying to obtain opposite cooefficients, and then...
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Worksheet
Curated OER

Solving Systems

For Students 9th - 10th
In this solving systems worksheet, students use the elimination method to solve systems of equations. This one-page worksheet contains 12 problems.
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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...
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Lesson Plan
Curated OER

Graphing Systems of Inequalities

For Teachers 9th - 12th
Solve equations and graph systems of inequalities. Designed as a lesson to reinforce these concepts, learners revisit shading and boundaries along with solving linear inequalities.
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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 young scholars reside. The class relates properties of equations to solving for...
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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...
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Lesson Plan
Curated OER

Simultaneous Equations Using Elimination

For Teachers 9th - 12th
Students solve a system of two unknowns.  In the Algebra lesson, 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 feedback.  The applet...
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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...
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Worksheet
College Preparatory Mathematics

Using Elimination To Find the Point of Intersection of Two Lines

For Students 7th - 9th Standards
Two example problems are solved on the first page using the elimination method with a pair of linear equations. Detailed explanations accompany the math. The second page provides 20 practice problems and their answers. This would be a...
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Unit Plan
Benjamin Franklin High School

Saxon Math: Algebra 2 (Section 3)

For Teachers 9th - 12th Standards
In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....
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Worksheet
4
4
Flipped Math

Unit 3 Review: Systems of Equations

For Students 9th - 10th Standards
More practice makes perfect. A review packet helps pupils remind themselves of the content of the unit. They determine whether points are solutions to linear equations, graph systems of equations and inequalities, and solve systems of...
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Lesson Plan
National Security Agency

Systems of Equations and Inequalities

For Teachers 9th - 12th Standards
High school classes can use manipulatives too! Offer hands-on, interactive lessons that venture away from the typical day in your algebra class. Young mathematicians will be involved in collaborative learning, visual representations, and...
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Worksheet
Curated OER

Systems of Linear Equations

For Students 9th - 11th
In this Algebra I/Algebra II instructional activity, learners use the elimination method to solve systems of linear equations.  The one page instructional activity contains six multiple choice questions.  Answers are included.