Lesson Plan
Curated OER

Discovering Math Concepts in Advanced Algebra

For Teachers 10th - 12th
Students explore the concept of Chinese contributions in mathematics. In this Chinese contributions in mathematics lesson, students research Chinese achievements in mathematics. Students solve 3x3 systems of equations using the method...
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...
eBook
Rice University

Precalculus

For Students 11th - Higher Ed Standards
Take a step beyond Algebra 2. Learners use the eBook to learn concepts from the typical Precalculus course. Content starts off with a short review of functions in general and moves on to the basic functions, finishing up with more...
Worksheet
Curated OER

Graphing Linear Equations

For Students 9th - 11th
In this graphing activity, students solve systems of linear equations by graphing on a coordinate plane. Given specific coordinates, students determine the line of intersection. This one-page activity contains ten problems.
Worksheet
Curated OER

Conic Sections and Nonlinear Systems of Equations

For Students 8th - Higher Ed
For this conic sections and nonlinear equations worksheet, students solve 25 multiple choice problems. The worksheet is a review of the conic sections and nonlinear systems chapter of an intermediate algebra course, so the topics vary...
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.
Worksheet
Curated OER

Twenty-Four Linear Systems Solved Using Substitution and Elimination

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

Applications of Linear Systems

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve verbal problems whose solution requires the use of a system of linear equations.  The five page worksheet contains a combination of thirty-one multiple choice and free response...
Worksheet
Curated OER

Quadratic-Linear Systems 2: Solve Systems of Equations Involving One Linear Equation and One Quadratic Equation Algebraically

For Students 10th - 12th
In this solving systems of quadratic and linear equations, students complete three problems. The first problem asks students to solve a system of two equations. One of the equations is a quadratic and the other is linear. The second two...
Lesson Plan
Curated OER

Left Hand, Right Hand - Solving Systems of Equations

For Teachers 8th - 12th
Students compare the speed at which they write with their left hand to the speed at which they write with their right hand. The experiment serves as a vehicle to help students develop a conceptual understanding of the three different...
Worksheet
Curated OER

Solving Quadratic Systems

For Students 11th
For this solving quadratic systems worksheet, 11th graders solve 8 different problems. First, they solve each system of equations algebraically. Then, students solve each system of inequalities by graphing on the grids provided for each...
Worksheet
Curated OER

Algebraic Solution of a Quadratic, Linear System

For Students 8th - 10th
In this algebra instructional activity, students solve systems of equations using linear and quadratics. They graph their solutions on a coordinate plane. There are 5 questions with an answer key.
Lesson Plan
Curated OER

Basic Matrix Algebra

For Teachers 9th - 11th
Students perform basic matrices operations. In this algebra lesson, students add, subtract, multiply and divide matrices. They solve system of equations using matrices.
Worksheet
Curated OER

Academic Algebra II 1st Semester Exam

For Students 9th - 12th
In the semester exam, students solve problems dealing the the discriminant of quadratic equations, systems of equations, linear equations and inequalities. Students also simplify radicals, complete squares, and find the inverse...
Worksheet
Curated OER

The Five Equation Problem

For Students 11th
For 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

Tiles, Balances and Equations

For Students 9th - 11th
In this algebra worksheet, students solve systems of equations using elimination or linear combination. There are 24 questions with an answer key.
Interactive
Desmos

Desmos Graphing Calculator

For Students 9th - Higher Ed Standards
They say a graph is worth a thousand points. The interactive allows users to graph a wide variety of functions and equations. Using the included keyboard or typing directly into the list, learners determine the graph of a function....
Worksheet
Curated OER

Solving Systems of Equations by Graphing

For Students 8th - 10th
In this systems of linear equations worksheet, students 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

Seven Advanced Algebra Problem Sets

For Students 11th - 12th
In this advanced algebra worksheet, students solve seven problem sets covering: linear equations, arithmetic sequence, slope, point-slope, median, linear system, substitution method and the elimination method. 
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.
Lesson Plan
Curated OER

Solving by Substitution or Elimination

For Teachers 8th - 9th
In this algebra worksheet, students 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...
Assessment
Mathematics Assessment Project

A Golden Crown?

For Students 7th - 8th Standards
In this assessment task, learners determine whether a crown with given information is composed of pure gold. The task expects algebraic and numerical solution methods, so unlike Archimedes, no bathtub is necessary.
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...