+
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....
+
Assessment
Charleston School District

Review Unit 6: Systems of Equations

For Students 8th - 9th Standards
It's time to show off what they learned! The final lesson in the series is a review learning exercise on the topics learned throughout the unit. Scholars solve systems of equations using graphic and algebraic methods, solve system-based...
+
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...
+
Assessment
Concord Consortium

"Equal" Equations

For Students 7th - 12th Standards
Different equations, same solution. Scholars first find a system with equations y1 and y2 that have a given solution. They then find a different system with equations y3 and y4 that have the same solution. The ultimate goal is to...
+
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

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.
+
Worksheet
Curated OER

Graphing Systems of Equations

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

I Can Do This! Systems of Equations

For Teachers 8th - 9th
Learners 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

Linear Inequalities - Parallelogram Problem

For Teachers 9th - 11th
Pupils 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 a...
+
Unit Plan
Benjamin Franklin High School

Saxon Math: Algebra 2 (Section 4)

For Teachers 9th - 12th Standards
This fourth of twelve units in a series continues the investigation of functions through equations and inequalities. However, the modular nature of the lessons in the section make this an excellent resource for any curriculum...
+
Lesson Plan
Curated OER

Linear Functions-Learn Your Lines

For Teachers 8th - 10th
Students solve and graph linear equations. In this algebra lesson, 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 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...
+
Assessment
EngageNY

End-of-Module Assessment Task: Grade 8 Module 4

For Students 8th Standards
Connect proportional linear equations and systems. The seven-question assessment is the last installment in a 33-part series. The items cover comparing proportional relationships, slope concepts, and simultaneous linear...
+
eBook
Rice University

College Algebra

For Students 9th - Higher Ed Standards
Is there more to college algebra than this? Even though the eBook is designed for a college algebra course, there are several topics that align to Algebra II or Pre-calculus courses. Topics begin with linear equation and inequalities,...
+
Activity
PBL Pathways

Boogie Boards

For Students 10th - Higher Ed Standards
Solve a complex business puzzle by building a linear programming model. An engaging project-based learning problem has classes examining transportation costs and manufacturing limitations from several plants. Ultimately, they use their...
+
PPT
Curated OER

Intersecting Graphs

For Teachers 9th - 10th
Ninth graders know how to solve a system of linear equations, but what happens when the system involves an exponential function? The instructional slideshow teaches viewers to determine solutions to systems of equations with linear...
+
Lesson Plan
Virginia Department of Education

Spring Fling Carnival

For Teachers 8th - 10th
Think critically — and linearly by applying linear equations to solve real-world problems. Young mathematicians write equations to model the profit on popcorn and cotton candy at a carnival and solve problems using these equations.
+
Lesson Plan
Virginia Department of Education

Graphing Systems of Inequalities

For Teachers 8th - 10th Standards
Apply systems of inequalities to a real-world problem. Here, scholars learn to graph solutions to systems of linear inequalities. To finish the lesson, they solve a problem involving burgers and cheeseburgers using a system of inequalities.
+
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...
+
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...
+
App
Texas Instruments

TI-Nspire™ CAS

For Students 8th - Higher Ed Standards
When it comes to rating educational calculators, this calculator is always near the top of this list. Now it's available as an app. There is a lot of calculator power wrapped up in this app. Not only is this a fully functioning...
+
Lesson Plan
Curated OER

Solving Systems by Graphing

For Teachers 9th - 11th
Learners solve systems of equation through graphing. For 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 of Linear Equations Graphically

For Teachers 9th - 10th
Students solve systems of equations graphically. In this algebra lesson, students find the point of intersection of two lines if they are not parallel. They rewrite the equation in the y=mx + b form and graph using slope and intercept.
+
Lesson Plan
Virginia Department of Education

The Exercise Fields

For Teachers 8th - 10th Standards
Horses need exercise, too. Scholars create linear equations to model the perimeter of exercise fields for horses. They finish by solving their equations for the length and width of the fields.