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Lesson Plan
Curated OER

Constructing and Solving Linear Equations

For Teachers 6th - 9th
Students solve linear equations In this algebra lesson, students create linear equations using integer coefficients greater than one. They graph their solution on a coordinate plane.
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Worksheet
Curated OER

Graphing Inequalities in Two Variables

For Students 7th - 10th Standards
This study guide is a great resource to help you present the steps to graphing linear inequalities. Show your class two different ways to graph an inequality and work on a real-world example together. The document could also be easily...
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Lesson Plan
Curated OER

Inequalities 7.3

For Teachers 7th - 8th
Graph inequalities and discuss the difference in their slopes. Learners observe rate of change as they compare linear, quadratic, and cubic functions.
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Lesson Plan
Curated OER

Linear Inequalities

For Teachers 9th - 12th
Students imagine that they own a sneaker company. They are asked how they would know if their company made a profit. Students determine the number of sneakers of each type they need to sell in order to "break even." They are asked how...
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Lesson Plan
Curated OER

Systems of Linear Inequalities 2

For Teachers 9th - 12th Standards
High schoolers solve systems of inequalities. In this lesson, they identify the solution of the two lines and shade the solution. They identify the boundary line and the region representing the solution.
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Lesson Plan
Curated OER

Graphing Inequalities in One Variable

For Teachers 9th - 11th
Students graph inequalities on a number line. In this algebra lesson, students solve linear and compound inequalities and graph them on a number line. They write an inequality given the number line with the solution on it.
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Worksheet
Curated OER

Solving Linear Systems by Linear Combinations

For Students 9th - 12th Standards
This worksheet offers six problems to practice solving simultaneous equations using the method of elimination. Start with systems that require multiplying only one of the equations. Then move to systems which require multiplying both...
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Worksheet
Curated OER

Solving Linear Systems by Graphing

For Students 9th - 12th Standards
A worksheet that offers four problems to practice solving simultaneous equations by graphing. Equations are presented in slope-intercept form or standard form. Problems include two with unique solutions, one with no solution, and one...
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Lesson Plan
Curated OER

Graphing Linear Equations and Inequalities

For Teachers 9th - 10th
Learners discuss methods to solve equations and inequalities with one variable. As a review, they write Addition and Subtraction properties of equality and Multiplication and Division properties of equality. Students graph points, write...
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Lesson Plan
MARS, Shell Center, University of Nottingham

Defining Regions Using Inequalities

For Teachers 7th - 9th Standards
Your young graphers will collaboratively play their way to a better understanding of the solution set produced by the combining of inequalities. Cooperation and communication are emphasized by the teacher asking questions to guide the...
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Lesson Plan
Curated OER

Make a Math Mascot

For Teachers 7th - 8th
Create a math mascot by identifying irrational and rational numbers. Learners will also solve linear equations.
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Lesson Plan
National Security Agency

Systems of Equations and Inequalities

For Teachers 9th - 12th Standards
High school classes can use manipulatives too! Offer hands-on, interactive lessons that venture away from the typical day in your algebra class. Young mathematicians will be involved in collaborative learning, visual representations, and...
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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...
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Worksheet
Curated OER

Solving Systems of Linear Equations in Three Variables

For Students 10th - 12th Standards
Practice solving linear systems of three equations with three unknowns using the elimination method and substitution method. This handout includes graphics of different combinations of intersecting planes to help illustrate the different...
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Lesson Plan
National Security Agency

A Balancing Act: Solving Multi-Step Equations

For Teachers 6th - 8th Standards
Wow! Put on that thinking cap and solve multi-step equations. To solve equations, learners review the use of the distributive property and combining like terms. This three-day lesson comes with about 20 pages of worksheets, warm-ups,...
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Lesson Plan
Curated OER

Sharing Gum

For Teachers 6th - 8th
Young mathematicians solve arithmetic and simple algebraic equations using properties of real numbers, equality, and inequality. Justifying the procedures is their next task. They solve a problem involving linear inequality and justify...
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Lesson Plan
Curated OER

Systems of Linear Inequalities in Slope-Intercept Form -- Lecture

For Teachers 6th - 8th
Students are introduced to linear inequalities in slope-intercept form. As a class, they participate when needed in a demonstration given by their teacher and practice graphing inequalities and describing the solution. They set up and...
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Worksheet
Curated OER

Solving Multi-Step Inequalities

For Students 7th - 10th Standards
Ready to study inequalities with your class? Use this worksheet to solve multi-step inequalities and graph the solutions. The document would be great to use as a study guide as you present the material, or could easily be modified and...
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Lesson Plan
Curated OER

Practice Solving Equations

For Teachers 9th - 12th
Students practice solving equations. In this algebra lesson, students solve a variety of linear equations using addition, subtraction, multiplication, inverse and division. They solve equations with more than one step and equations with...
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Lesson Plan
Curated OER

Linear Equations

For Teachers 9th - 10th
Students solve linear equations by modeling. In this algebra instructional activity, students solve one and two step inequalities and equations. They use manipulative to create a visual of the steps.
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Lesson Plan
Curated OER

Compound Inequalities

For Teachers 9th - 11th
Students solve linear equations with compound inequalities. In this algebra instructional activity, students solve inequalities and graph their solution on a number line. They define "and" and "or" when it comes to graphing.
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Worksheet
Curated OER

The Cartesian Plane

For Students 6th - 9th Standards
Learners solve and complete 22 various types of problems. First, they find the gradients of the lines and plot the given points. Then, they complete the table of values for each equation and use the table to draw the graph. 
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Lesson Plan
Curated OER

Equations and Inequalities

For Teachers Higher Ed
Students in a college algebra class use graphs to solve inequalities. Using the coordinate graphing system, they represent the relationship between x and y intercepts. They practice solving equations with complex numbers and locate...
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Lesson Plan
Curated OER

Solving Systems by Elimination

For Teachers 8th - 10th
Students review solving absolute value equations. They watch as the teacher demonstrates solving a system of linear equations by addition. Students practice working problems by multiplying to obtain opposite cooefficients, and then...