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Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.

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Lesson Planet: Curated OER

#### Systems of Equations (Substitutes and Elimination)

With a whopping total of 66 questions, here is a resource that provides a full variety of systems of equations questions using elimination and substitution solution methods.

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#### Equations in Standard Form - Solving Systems by Graphing

Get to graphing and figure out the solution between two lines using this 14-problem worksheet. Graphs are provided for the first eight problems, but requires learners to graph the remaining six separately.

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#### Introduction to Solving Linear Systems

Word problems offer class members an opportunity to learn the concept of solving linear systems using graphs. Individuals choose a problem based upon preferences, break into groups to discuss solution methods and whether there is...

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#### Graphing Systems

Get hands on with solving systems of equations graphically. A solid lesson plan uses guided practice to show how to solve systems of linear equations. It allows time for sharing ideas and provides a printable matching activity to promote...

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#### Solving a System by Substitution

Solving systems by substitution can be a challenging topic in algebra I. Here is a lesson that builds on students' understanding of intercepts to begin the process of substitution, and all work is reinforced graphically to build...

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#### Watch Your Step…You May Collide!

Can two lines intersect at more than one point? Using yarn, create two lines on the floor of the classroom to find out. Cooperative groups work through the process of solving systems of equations using task cards and three different...

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#### Solving Systems of Linear Equations Graphing

Do you need to graph lines to see the point? A thorough lesson plan provides comprehensive instruction focused on solving systems of equations by graphing. Resources include guided practice worksheet, skill practice worksheet, and an...

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#### Solving Systems of Equations by Substitution

There is no substitute for checking the solution. A short introduction to the substitution method of solving systems of equations is an ideal resource for algebra classes. The slides present steps for the substitution method and apply...

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#### Solving Systems of Equations by Elimination

Eliminate the obvious. A series of slides presents algebra classes with step-by-step procedures for solving systems of equations using the elimination method. It provides an introduction to the elimination method for solving linear...

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#### Saxon Math: Algebra 2 (Section 3)

In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....

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#### Saxon Math: Algebra 2 (Section 2)

This second of twelve algebra 2 units continues the first section's emphasis on matrices and using technology tools. Through these lessons, the class will manipulate polynomials and solve systems of equations, convert units, find...

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#### End of Year Practice Test (Algebra I)

This complete multiple choice and short answer practice end-of-year test for algebra 1 offers a wealth of opportunities for customization. Offer it as a whole, to track progress or prepare the class for the format of the test, or...

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#### Module 2: Systems of Equations and Inequalities

The brother-sister pair Carlos and Clarita need your class's help in developing their new pet sitting business. Through a variety of scenarios and concerns presented to the siblings, the learners thoroughly explore systems of equations...

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#### Quinoa Pasta 2

Learners discover that a system of linear equations models this mixture of quinoa and corn in a collaborative task. Your learners receive all the relevant information in this second of three variants of tasks that ask them to find the...

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#### Quinoa Pasta 3

A mixture of quinoa and corn is for dinner in this collaborative task that sets up nicely as a system of linear equations. Your supper guests discuss numerical precision and percentages as they formulate a plan of how to solve the problem.

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#### Pairs of Whole Numbers

Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.

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#### Find A System

Learners must think critically about the graphical and algebraic forms of a system of linear equations in order to come up with their own system when given a point that is the solution to the system.

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#### Accurately Weighing Pennies II

Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.

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#### Accurately Weighing Pennies I

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#### Applying Systems of Equations - Finding Break-Even Points

Explore the concept of solving systems of equations with this project by finding the break-even points using linear equations. Learners need to interpret their graphs in terms of their real-world meaning and make recommendations based on...

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#### Simultaneous Equations

In this simultaneous equations worksheet, pupils solve systems of equations. They graph systems of equations and write equations to fit given situations. This two-page worksheet contains three multi-step problems.

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#### I Can Do This! Systems of Equations

Use tables, graphs, and substitution to solve systems of linear equations. An envelope of sample problems is passed around the classroom, and each learner has the opportunity to solve the system in the envelope. This is a great way to...

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#### Linear Programming

Young scholars explore inequalities to determine the optimal solution to maximize a profit for a company. In this linear programming lesson, students discover how to graph inequalities and how to determine the algebraic representation of...

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#### Solving Systems Using Matrices

Explore the concept of systems of equations in two variables and use matrices to solve them. Young mathematicians enter coefficients and constants into a matrix and then solve using row reduction. Instructions on how to use the shortcut...