Interactive
Curated OER

Solving System of Equations by Addition

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

Know the System

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

Systems of Equations

For Teachers 9th - 10th
Students solve inequalities and systems of equations. In this algebra instructional activity, students use substitution and elimination as they solve algebraic systems. They use graphing and a table to support their solutions.
Worksheet
Curated OER

Solving Systems of Equations by Graphing

For Students 8th - 10th
In this systems of linear equations worksheet, learners graph two equations on each coordinate grid. All systems are linear. One of the systems is parallel. The others have one point of intersection.
Worksheet
Curated OER

Linear Systems: Graphical Interpretation of Vectors

For Students 11th - Higher Ed
In this graphical interpretation of vectors learning exercise, students execute operations of addition and multiplication by a scalar. They sketch results and determine the commutativity of vector addition. This three-page learning...
Worksheet
Curated OER

Linear Systems: Differential Equations

For Students Higher Ed
In this differential equations activity, students determine the stability of matrices and evaluate a matrix with an exponent. This two-page activity contains examples, explanations, and two problems to solve.
Lesson Plan
Willow Tree

Systems of Equations

For Students 8th - 11th Standards
Now that learners figured out how to solve for one variable, why not add another? The lesson demonstrates, through examples, how to solve a linear system using graphing, substitution, and elimination.
Lesson Plan
Curated OER

Solving Systems by Graphing

For Teachers 9th - 11th
Students solve systems of equation through graphing. In this algebra lesson, students solve linear equations and analyze the result to figure out if there is one solution, no solution or infinitely many solutions. They graph their lines...
Lesson Plan
Curated OER

Solving Systems by Graphing

For Teachers 9th - 12th Standards
Solve systems of equations with your super smart upper graders. They solve systems of equations and then graph two lines to find where they intersect. The focus on the activity is to have learners explore moving a point to...
Handout
Cabrillo College

Elementary Algebra

For Students 8th - 11th Standards
Hello Algebra! If you're in need of a resource with a books worth of examples and practice problems, this is it. Some topics include linear equations, polynomials and exponents, rational expressions, quadratic equations, and a...
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.
Lesson Plan
Curated OER

I Can Do This! Systems of Equations

For Teachers 8th - 9th
Pupils solve systems of 2-by-2 linear equations using tables, graphs and substitution. In small groups, classmates work together to discover strategies for solving equations. They use a calculator to graphically represent their answers.
Worksheet
Curated OER

Graphing Systems of Equations

For Students 11th
In this Algebra II activity, 11th graders use graphing to determine the solution to a system of linear equations.  The two page activity contains explanation and three guided problems.  Answers are not included. 
Lesson Plan
Curated OER

Linear Inequalities - Parallelogram Problem

For Teachers 9th - 11th
Students use the Geometer's Sketchpad to illustrate possible answers to a parallelogram problem. As a class, they discuss the point-slope and linear equation forms. Individually, students solve their equations and check the results on...
Worksheet
Curated OER

Solving Systems by Graphing

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve a system of linear equations by graphing.  The one page worksheet contains one problem.  Answer is provided. 
Worksheet
Curated OER

Linear Systems: Differential Equations

For Students Higher Ed
In this differential equations learning exercise, students solve collections of simultaneous differential equations. This six-page learning exercise contains examples, explanations, and approximately six problems.
Worksheet
Curated OER

Linear Programming

For Students 9th - 12th
In this algebra worksheet, students calculate the maximum and minimum of a shaded region. They identify the boundaries and their vertices's. There are 2 problems.
Worksheet
Kuta Software

Equations in Standard Form - Solving Systems by Graphing

For Students 9th - 12th Standards
Get to graphing and figure out the solution between two lines using this 14-problem worksheet. Graphs are provided for the first eight problems, but requires learners to graph the remaining six separately.
Interactive
CK-12 Foundation

Problem-Solving Models: Subway vs. Taxi

For Students 8th Standards
Ride to success in understanding systems of equations. Scholars graph a system of equations on the cost of a subway and a taxi using an interactive. Using this graph allows users to answer some questions about the situation.  
Assessment
EngageNY

End-of-Module Assessment Task - Algebra 2 (Module 1)

For Students 10th - 12th Standards
A series of assessment tasks require learners to process information and communicate solutions. Topics include graphing parabolas, solving linear-quadratic systems, factoring polynomials, and solving polynomial equations. 
Lesson Plan
Curated OER

Linear Functions-Learn Your Lines

For Teachers 8th - 10th
Students solve and graph linear equations. In this algebra instructional activity, students collect and plot data on a coordinate plane. They use the CBL and TI calculator to graph systems of equation.
Lesson Plan
Curated OER

Solving Nonlinear Systems of Equations

For Teachers 10th - 11th
In this system of equations worksheet, learners solve nonlinear systems of equations using the substitution method. An example of how to solve is given prior to the assignment. Twenty problems are available on this two-page worksheet.