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Lesson Plan
Curated OER

Solving Systems via Elimination (Multiplication Method)

For Teachers 9th
Ninth graders investigate systems of linear equations.  In this Algebra I lesson, 9th graders solve systems of linear equations using the elimination method.   Equations are written in standard form.
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Worksheet
Curated OER

Systems of Linear Inequalities

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students use graphing to solve systems of linear inequalities.  The two page worksheet contains a combination of five multiple choice and free response questions.  Answers are...
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Lesson Plan
Texas Instruments

Making Predictions Using Systems of Equations

For Teachers 9th - Higher Ed Standards
Students explore the concept of systems of equations. In this system of equations lesson, students enter data into lists on their calculators about 100 meter dash times. Students plot the points using a scatter plot and perform a linear...
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Worksheet
Curated OER

Modeling in Algebra

For Students 8th
In this modeling in algebra worksheet, 8th graders solve ten different types of algebra problems, including 5 word problems. They first complete each table, describe the pattern used, and determine the 20th and nth term for each....
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Worksheet
Curated OER

Setting Up Equations

For Students 12th - Higher Ed
In this setting up equations learning exercise, students solve 4 different problems that include setting up the equations in each problem. They write out an equation or set up an equations that describe each given situation. Then,...
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Lesson Plan
Curated OER

Solving Equations Using Two Operations

For Teachers 5th - 7th
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results. 
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Lesson Plan
1
1
EngageNY

Overcoming a Third Obstacle to Factoring— What If There Are No Real Number Solutions?

For Students 10th - 12th Standards
Time for pupils to use their imagination! Learners examine the relationship between a system with no real solution and its graph. They then verify their discoveries with algebra. 
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Lesson Plan
Curated OER

Practice solving systems of equations

For Teachers 11th
Eleventh graders solve systems of equation. In this algebra lesson, 11th graders find the point of intersection of two lines if there is any, using algebra and graphing. They use substitution and linear combination to find the solution...
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Lesson Plan
Illustrative Mathematics

Summer Swimming

For Teachers 7th - 9th Standards
Here is a real-world application for systems of equations. When is it better to pay an enrollment fee and lower daily rate, and when is it better to pay the regular price? The local swim center is having a special offer, reductions in...
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Lesson Plan
Curated OER

Solution Sets

For Teachers 9th - 12th Standards
Here is a task that gives the graph of the solutions of a system of linear inequalities and asks learners to analyze and write the algebraic form of the systems. By turning the problem around, learners make the connections between...
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Lesson Plan
EngageNY

Two Graphing Stories

For Teachers 9th - 10th Standards
Can you graph your story? Keep your classes interested by challenging them to graph a scenario and interpret the meaning of an intersection. Be sure they paty attention to the detail of a graph, including intercepts, slope,...
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Assessment
Concord Consortium

In a Triangle

For Students 9th - 12th Standards
What's in a triangle? Just 180 degrees worth of angles! Young learners use given angle relationships in a triangle to write an algebraic representation. Using a system of equations, they simplify the equation to a linear representation.
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Worksheet
Curated OER

Addition to Solve System of Linear Equations

For Students 8th - 9th
In this algebra worksheet, students solve system systems of equation. They use addition to solve the problems. There are 6 questions with an answer key.
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Worksheet
Curated OER

Introduction to Linear Algebra 1.3

For Students 11th - Higher Ed
In this linear algebra worksheet, students write down the system that arises from the vector equation stated. Then they apply the Gaussian elimination method to solve their system. Finally, students explain their conclusion and answer...
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Lesson Plan
Curated OER

Points of Intersection

For Teachers 9th - 10th
Students solve systems of equations.  In this solving systems of equations lesson, students look for the intersection of the two lines in the system.  Students solve systems that have one solution, no solution, and infinite...
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Lesson Plan
Curated OER

Analyzing Graphs of Two Equations

For Teachers 9th - 10th
Students analyze graphs of two equations. In this algebra lesson, students rewrite word problems as linear equations. They graph their solution and compare and contrast the two items being represented.
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Worksheet
1
1
Curated OER

Solving Linear Inequalities

For Students 8th - 11th Standards
Walk the class through the steps of how to evaluate linear inequalities in one variable and graph the solution set. Define and discuss key vocabulary terms, then have individuals work problems of varying difficulty. Included are word...
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Worksheet
Curated OER

Linear Systems

For Students 11th - Higher Ed
In this multiplication of vectors worksheet, students prove that the dot product operation is commutative. They normalize a vector so it has the same direction with a magnitude of one. Students use the angle formula to confirm...
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Worksheet
Curated OER

Solving Systems of Inequalities

For Students 9th - 11th
In this algebra activity, students solve systems of inequality using the graphing method. There are 5 questions with lots of examples and an answer key.
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Worksheet
Curated OER

Systems of Equations

For Students 9th - 11th
In this algebra worksheet, students solve systems of equation through graphing, linear combination and substitution. There are 3 questions.
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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...
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Lesson Plan
Curated OER

How Do They Relate? Linear Relationship

For Teachers 8th - 10th
Students collect information and use a line to represent it. In this algebra lesson, students investigate real world data to see if it makes a line. They graph the line comparing the relationship of the x axis with that of the...
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Worksheet
Curated OER

Systems of Equations (A)

For Students 6th - 8th
In this systems of equations practice instructional activity, students use their problem solving skills to solve 24 problems.
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Worksheet
Curated OER

Systems of Equations (B)

For Students 5th - 8th
In this systems of equations practice worksheet, students use their problem solving skills to solve 24 problems.