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Lesson Plan
Curated OER

Solving System of Linear Equations

For Teachers 7th - 9th
Students solve systems of equations. In this algebra lesson, students identify the number of solutions to a system of equation. They solve using linear combination and graphing.
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Lesson Plan
Curated OER

I Can Do This! Systems of Equations

For Teachers 8th - 9th
Students 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.
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Lesson Plan
Curated OER

2 X 2 Linear Systems

For Teachers 7th - 9th
Young scholars solve 2 X 2 systems graphically and algebraically. They investigate parallel systems. They solve application problems using 2 X 2 systems.
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Lesson Plan
Curated OER

Systems of Linear Inequalities in Standard Form -- Lecture

For Teachers 6th - 8th
Students participate in a lecture about linear inequalities. Individually, they graph different inequalities and describe its solution. They participate in a demonstration in which they solve a system of inequalities and complete a...
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Worksheet
Curated OER

Linear Inequalities

For Students 8th - 9th
In this algebra worksheet, students solve linear inequalities. They graph their solution on a coordinate plane. There are 6 questions with answer key.
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Lesson Plan
EngageNY

Characteristics of Parallel Lines

For Teachers 8th Standards
Systems of parallel lines have no solution. Pupils work examples to discover that lines with the same slope and different y-intercepts are parallel. The 27th segment of 33 uses this discovery to develop a proof, and the class determines...
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Unit Plan
Curated OER

GSE Foundations of Algebra: Equations and Inequalities

For Students 7th - 9th
Need lessons on writing and solving one- and two-step linear equations and inequalities, as well as systems of equations? This comprehensive 106-page module from the Georgia Department of Education contains many different lessons for a...
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Lesson Plan
Curated OER

Real World Systems of Linear Equations

For Teachers 7th - 10th
Students solve systems of equations with fluency. In this algebra activity, students graph, use elimination and substitution to solve systems of equations. They identify the point of intersection using algebra.
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Worksheet
Curated OER

Systems of Equations

For Students 7th - 10th
In this algebra worksheet, students factor systems of equations using elimination and substitution. THey graph their lines and find the point of intersection. There are 15 questions.
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Worksheet
Curated OER

Linear Equations

For Students 8th - 9th
In this linear equations worksheet, students solve 9 different linear equations by applying the point-slope formula in each. First, they determine the linear equation of each. Then, students use the slope and one point of the line to...
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Worksheet
Curated OER

Using Systems of Equations

For Students 8th - 10th
In this algebra instructional activity, students solve systems of equations. They use substitution, elimination and graphing to solve. There are 33 questions with an answer key.
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Lesson Plan
Alabama Learning Exchange

Systems on a Mission

For Teachers 6th - 8th Standards
Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.
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Lesson Plan
Curated OER

Elementary Algebra Study Guide

For Teachers 8th - 11th
Middle and high schoolers solve problems involving linear equations, inequalities, quadratics, radicals, systems of equations, exponents, and polynomials. Many of the problems encompass a review of Algebra I. This 10-page worksheet...
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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. 
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Worksheet
Curated OER

System of Linear Equations

For Students 6th - 8th
In this math worksheet, students solve for the systems of linear equations. They graph the equations and use the method of substitution.
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Lesson Plan
Curated OER

2 x 2 Linear Systems

For Teachers 7th - 9th
Students graph 2x2 systems and solve them algebraically. They investigate parallel systems by solving equations.
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Lesson Plan
Curated OER

That's a Fine Line You're Walking!

For Teachers 7th - 10th
Young scholars experiment with Hiker program to practice real world applications of linear functions and develop their understanding of expressions, relationships, and manipulations involved in writing and graphing linear equations in...
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Worksheet
Curated OER

Determining the Point of Intersection Using the TI-83 Plus Calculator

For Students 8th - 10th Standards
Middle and high schoolers graph two lines and identify the point of intersection of each set of line. They use the TI calculator to help them graph and solve. There are six questions with detailed instruction on how to graph correctly.
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Lesson Plan
Curated OER

Linear and Exponential Growth

For Teachers 8th - 11th
Students explore the concept of linear and exponential growth. In this linear and exponential growth lesson, students collect data about China's population. Students model the data to determine if it is linear or exponential.
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Lesson Plan
Curated OER

Graphing System of Equations

For Teachers 8th - 10th
Students solve system of equation. In this algebra lesson, students graph, substitute and eliminate to solve system of equation. They identify the point of intersection and how many solution each system will have.
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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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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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Worksheet
Curated OER

Addition to Solve System of Linear Equations

For Students 8th - 9th
For 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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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 instructional activity, 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...