Lesson Plan
Curated OER

Solving Systems of Linear Equations: Substitution Method

For Teachers 9th - 11th
For this systems of equations worksheet, students use the substitution method to solve systems of linear equations. This one-page worksheet contains eight problems, with answers.
Interactive
Curated OER

Solving System of Equations by Multiplication and then Addition or Subtraction

For Students 9th - 12th
In this online math instructional activity, students 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...
Handout
Charleston School District

Solving Systems Graphically

For Students 8th - 9th Standards
When guess and check gets old, it's time to start graphing! An instructive lesson explains how to solve a system of linear equations using graphing. Equations are in both slope-intercepts and standard form. 
Worksheet
Curated OER

Investigation: Linear Quadratic Systems

For Students 9th - 12th
Investigate linear quadratic systems and pose this question: Do all linear quadratic systems have two solutions? Do they all have a solution? Learners solve systems of equations through graphing. They indicate the points of intersection...
Lesson Plan
Curated OER

Matrices at the Speed of Light!

For Teachers 9th - 11th
Perform operations using matrices in this algebra lesson. Middle schoolers add, subtract, and multiply matrices. Additionally, they solve systems of equations using matrices.
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...
Worksheet
Curated OER

Systems of Equations

For Students 9th
In this solving systems of equations worksheet, 9th graders solve and complete 12 different problems algebraically. First, they solve each system of equations using substitution. Then, students solve each system of equations using...
Worksheet
Curated OER

Solving Systems of Equations

For Students 9th
For this systems of equations worksheet, 9th graders solve and complete 19 different problems. First, they solve each of the given equations. Then, students set the equations up in standard form and enter the coefficients of x and y....
Worksheet
Curated OER

Systems of Equations

For Students 9th
In this solving systems of equations worksheet, 9th graders solve and complete 6 different problems by graphing each one. First, they determine where the lines are located if a system of two equations has no solution. Then, students...
Lesson Plan
Curated OER

Systems of Equations

For Teachers 9th - 10th
Students solve systems of equations. For this algebra lesson, students use elimination and substitution to solve for the point of intersection. They use graphing to see where the two lines intersect.
Worksheet
Curated OER

Solving Nonlinear Systems of Equations

For Students 9th - 11th
In this nonlinear systems of equations worksheet, students solve nonlinear equations through elimination. They read statements, write equations, and solve systems of equations. This two-page worksheet contains 20 multi-step problems.
Worksheet
Curated OER

Systems of Equations - Problem Solving

For Students 9th - 12th
In this systems of equations activity, students translate word problems into algebraic equations.  They solve system of equations problems dealing with geometry, money, investment, angles and age problems.  This...
Worksheet
Curated OER

Using Systems of Equations

For Students 8th - 10th
In this algebra worksheet, students solve systems of equations. They use substitution, elimination and graphing to solve. There are 33 questions with an answer key.
Worksheet
Curated OER

Graphing Systems of Equations

For Students 9th - 11th
In this systems of equations worksheet, students use graphs to solve systems of equations. They determine if the equation contains one solution, no solution, or many solutions. This one-page worksheet contains ten problems.
Worksheet
Curated OER

Solving Systems of Three Equations with Cramer's Rule

For Students 10th - 12th
In this systems of equations worksheet, students solve systems of equations using Cramer's Rule. This four-page worksheet contains 16 problems. Answers are provided on the last two pages.
Activity
PBL Pathways

Gas Prices

For Teachers 10th - Higher Ed Standards
How can math help your vehicle run better? Complete an interesting project-based learning task with your classes to determine the cheapest approach to mixing the ideal octane level of gasoline. Scholars create and solve a system of...
Assessment
CCSS Math Activities

Sandwich Shop

For Students 9th - 12th Standards
Eat up the task on systems of equations. Given information on the total number of sandwiches and the total income, learners write and solve a linear system of equations to find the number of each type of sandwich sold at a shop. They...
Worksheet
Curated OER

Systems of Equations: Substitution Method

For Students 8th - 12th
In this systems of equations worksheet, students solve 6 systems using the substitution method. Students then set up and solve 2 systems of equations word problems, one being a mixture problem.
Lesson Plan
Curated OER

Lesson 2 Solving y=mx+b systems

For Teachers 8th - 10th
Learners solve linear systems using slope intercept form. In this algebra lesson, students solve equations by rewriting them in the form y = mx + b. They evaluate coordinate pairs to see if they are a solution to the problem. Learners...
Lesson Plan
Curated OER

Solving Problems Using Systems of Equations Section 8.3

For Teachers 9th - 10th
In this system of equations worksheet, students solve problems involving systems of equations. They read short stories, write equations relating to the information, and solve the systems of equations using the substitution or elimination...
Worksheet
Curated OER

Solving Nonlinear Systems of Equations

For Students 9th - 11th
In this systems of equations worksheet, students solve nonlinear systems of equations. This two-page worksheet contains 20 problems.
Worksheet
Curated OER

Systems of Equations

For Students 9th
In this graphing systems of equations worksheet, 9th graders solve and complete 9 different problems. First, they graph each system of equations on the coordinate grids provided. Then, students state their solutions.
Worksheet
CPM

Using Equal Values Method or Substitution

For Students 8th - 9th Standards
Math whizzes solve and complete 20 different problems. Problems are solved using the substitute, or the equal values method. Learners also create their own systems of equations based on word problems. 
Lesson Plan
Curated OER

Practice with Systems of Equations

For Teachers 9th - 10th
Students solve systems of inequalities. In this algebra lesson, students solve a system of equation, using substitution, linear combinations and graphing. They identify the number of solution each system produce as infinitely many,...