Lesson Plan
Curated OER

Solve Linear Systems of Equations: Graphing, Substitution, and Elimination

For Teachers 9th - 12th
For this system of linear equations worksheet, students solve by using graphing, substitution, and elimination. There are 44 problems.
Worksheet
Curated OER

Rotation of Tasks for Solving Linear Equations

For Students 9th - 10th
In this linear systems worksheet, students solve systems of equations using three different methods: substitution, adding and subtracting, and graphing. This two-page worksheet contains three multi-step problems.
Lesson Plan
Curated OER

Systems of Equations

For Teachers 9th - 11th
Students solve problems using systems of equations. In this algebra activity, students find the point of intersection of two lines. They use the TI Calculator to graph and see the point of intersection.
Worksheet
Curated OER

Addition to Solve System of Linear Equations

For Students 8th - 9th
In this algebra learning exercise, students solve system systems of equation. They use addition to solve the problems. There are 6 questions with an answer key.
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...
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.
Assessment
Concord Consortium

Systematic Solution II

For Students 10th - 11th Standards
Up the difficulty level by solving a system of equations with variable coefficients. Young scholars devise a plan to solve for x and y in terms of a and b. They represent their solutions as expressions and explain their...
Interactive
CK-12 Foundation

Graphs of Linear Systems: Heart Rate Tracker

For Students 8th - 10th Standards
Max out heart rates for males and females. Formulas of maximum heart rates provide the equations for a linear system. Pupils use the interactive to graph the equations for males and females and determine their points of intersection. The...
Lesson Plan
Curated OER

Linear Programming

For Teachers 10th - 12th Standards
Students explore inequalities to determine the optimal solution to maximize a profit for a company. In this linear programming lesson, students discover how to graph inequalities and how to determine the algebraic representation of a...
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...
Interactive
CK-12 Foundation

Linear Systems with Addition and Subtraction: XYZ Tiles

For Students 8th - 10th Standards
Cover it up to reveal the values of variables. Using arrangements of colored tiles representing algebraic expressions, pupils layer them over each other to determine the values of variables. The procedure models the elimination method in...
Lesson Plan
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Curated OER

Linear Inequalities

For Teachers 10th - 12th Standards
Through exploration of linear programming through graphs and equations of inequalities, young scholars relate linear programming to real life scenarios, such as business. Graphing and shading is also part of this exercise.
Assessment
Concord Consortium

Three Circles

For Students 9th - 12th Standards
Round and round and round we go. Given a diagram of three circles, two of which share a point with the third circle, learners identify the radius of each circle. Doing so requires setting up and solving a system of equations based on the...
Lesson Plan
Curated OER

Balanced Systems of Equations

For Teachers 9th - 11th Standards
Students solve equations. In this algebra instructional activity, students relate solving equations to a balanced scale. They add, subtract, multiply and divide on both sides to keep the scale balanced.
Lesson Plan
Curated OER

Solve Linear Systems by Substitution

For Teachers Higher Ed
In this linear systems worksheet, students use the substitution method to solve systems of equations. This one-page worksheet contains two multi-step problems.
Worksheet
Curated OER

Points of Intersection

For Students 8th - 9th
Eighth and ninth graders solve five different problems that include solving two equations. They determine the point of intersection in each of the five pairs of equations given. Pupils define point of intersection as the point where two...
Worksheet
Curated OER

Systems of Inequalities

For Students 9th - 11th
In this systems of inequalities worksheet, students solve systems of equations. Afterward, they shade in all possible answers on a coordinate plane. This two-page worksheet contains five multi-step problems.
Lesson Plan
EngageNY

Graphs Can Solve Equations Too

For Students 9th - 10th Standards
There are many equations Algebra I students are not ready to solve. Graphing to solve gives them a strategy to use when they are unsure of an algebraic approach to solve the problem. The lesson exposes learners to a wide variety of...
Worksheet
Curated OER

Solving Systems Algebraically

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

Solving Systems by Graphing

For Students 9th
In this solving systems by graphing worksheet, 9th graders solve and complete 5 different problems. First, they change each equation to graphing form. Then, students graph each line and find their point of intersection. In addition, they...
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.
Worksheet
Curated OER

Solving Linear Systems

For Students 9th
For this linear systems worksheet, 9th graders solve and complete 24 different problems that include solving various linear systems. First, they read through each example and define the two methods described for solving linear systems of...
Lesson Plan
Curated OER

Systems of Linear Equations

For Teachers 9th - 12th
Students use the calculator to represent a situation as a table, graph, and equation. They write systems of equations and find solutions to systems of equations. In addition, they explain and justify how they determined their solutions...
Lesson Plan
Curated OER

Systems of Linear Equations - Standard Form

For Teachers 9th - 12th
Students write systems of equations and find solutions to systems of equations. They explain how they determined their solutions to a system of equations and justify their solutions. In addition, they write equations in standard form and...