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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c.7 & a rei.d.10: A Linear and Quadratic System

For Teachers 9th - 10th
The purpose of this task is to give students the opportunity to make connections between equations and the geometry of the graphs. Aligns with A-REI.C.7and A-REI.D.10.
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Unknown Type
Khan Academy

Khan Academy: Systems of Equations With Elimination

For Students 9th - 10th Standards
Solve systems of equation with one-step elimination (e.g., x-values or y-values cancel each other out).
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Unknown Type
Khan Academy

Khan Academy: Systems of Equations With Elimination Challenge

For Students 9th - 10th Standards
Solve systems of equation with multi-step elimination (e.g., a manipulation is needed in order for x-values or y-values to cancel each other out).
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Whiteboard
ClassFlow

Class Flow: Applications Using Systems

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart provides guided practice with word problems involving systems of equations and gives a brief review on solving systems of equations.
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PPT
Sophia Learning

Sophia: Using Elementary Row Operations to Solve Systems of Equations: Lesson 4

For Students 9th - 10th Standards
This lesson presents how to use elementary row operations to solve for a system of linear equations. It is 4 of 4 in the series titled "Using Elementary Row Operations to Solve for Systems of Equations."
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 11 [Pdf]

For Students 9th - 10th Standards
The practice problem examines the elimination method for solving a system of linear equations. The graphs of the equations are available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 12 [Pdf]

For Students 9th - 10th
The practice problem examines the elimination method for solving a system of linear equations. The graphs of the equations are available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 18 [Pdf]

For Students 9th - 10th
Students solve a system of linear equations using the elimination method. The practice exercise is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 21 [Pdf]

For Students 9th - 10th
The practice problem uses the addition method to solve a system of linear equations. The handout is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 22 [Pdf]

For Students 9th - 10th
The practice problem uses the addition method to solve a system of linear equations. The handout is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 23 [Pdf]

For Students 9th - 10th Standards
Students label the graphs of two linear equations and then solve the system. The graphs are available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 24 [Pdf]

For Students 9th - 10th Standards
Students label the graphs of two linear equations and then solve the system. The graphs are available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 29 [Pdf]

For Students 9th - 10th
The exercise investigates the elimination method for solving a system of linear equations. The two graphs are available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 30 [Pdf]

For Students 9th - 10th
The exercise investigates the elimination method for solving a system of linear equations. The two graphs are available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 25 [Pdf]

For Students 9th - 10th Standards
Two equations are simplified by adding them or subtracting them to solve the linear equations. The practice problem is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 26 [Pdf]

For Students 9th - 10th
Two equations are simplified by adding them or subtracting them to solve the linear equations. The practice problem is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 27 [Pdf]

For Students 9th - 10th
Students use the elimination method to solve simultaneous equations. The exercise is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 28 [Pdf]

For Students 9th - 10th
Students use the elimination method to solve simultaneous equations. The exercise is available in PDF format.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A ced.a.3: Dimes and Quarters

For Teachers 9th - 10th
This task requires students to recognize the pairs of linear equations in two variables that would be used to solve a given system of equations. Aligns with A-CED.A.3.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 2nd - 8th
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 9 [Pdf]

For Students 9th - 10th Standards
The exercise has learners identify the graphs of two linear equations and then solve the system of equations using the elimination method. The practice problem is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 10 [Pdf]

For Students 9th - 10th Standards
The exercise has learners identify the graphs of two linear equations and then solve the system of equations using the elimination method. The practice problem is available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 1 [Pdf]

For Students 9th - 10th
Students use the elimination method to solve a system of linear equations. The resource consists of an enlarged printable version of the two graphs available in PDF format.
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Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Elimination Method 2 [Pdf]

For Students 9th - 10th
Students use the elimination method to solve a system of linear equations. The resource consists of an enlarged printable version of the two graphs available in PDF format.