Solving Systems of Equations by Elimination - Guided Notes and Homework

Rated 4.79 out of 5, based on 49 reviews

4.8 (49 ratings)

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Eddie McCarthy

1.2k Followers

Grade Levels

7th - 10th, Homeschool

Subjects

Math, Algebra, Algebra 2

Resource Type

Handouts, Assessment, Scaffolded Notes

Standards

CCSS8.EE.C.8a

CCSS8.EE.C.8b

CCSSHSA-REI.C.5

CCSSHSA-REI.C.6

Formats Included

Pages

8 pages

$2.50

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$2.50

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Eddie McCarthy

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What educators are saying

This was an excellent resource for solving systems using elimination. Several examples to follow and some practice was included.

— Vanesa P.

Rated 5 out of 5

This is a great resource and very engaging for my students. The students worked hard and found this to be extremely easy and helpful in their understanding of the topic.

— Kara K.

Rated 5 out of 5

Description

Standards

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Reviews

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Description

This 8-page lesson contains 4 pages of guided notes and 4 pages of HW. Part 1 only requires adding or subtracting (multiplying by -1), while part 2 requires multiplication of any number. It is part of my Systems of Equations Unit

* Click the preview for details! Answer key included! *

In this lesson students will:

- Compare the substitution method to this new method

- Practice solving systems using elimination

- Explore special cases (no solution and infinitely many)

- Solve word problems

On day two, they will:

- Learn that equations can be multiplied by any number

- Practice solving systems that require multiplication

- Solve word problems

Related Activity:

Solving Systems of Equations by Elimination - Word Scramble Activity

Systems of Equations Word Problems

Total Pages

8 pages

Answer Key

Included

Teaching Duration

2 days

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Standards

to see state-specific standards (only available in the US).

CCSS8.EE.C.8a

Understand that solutions to a system of two linear equations in two variables correspond to points of intersection of their graphs, because points of intersection satisfy both equations simultaneously.

CCSS8.EE.C.8b

Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. For example, 3𝘹 + 2𝘺 = 5 and 3𝘹 + 2𝘺 = 6 have no solution because 3𝘹 + 2𝘺 cannot simultaneously be 5 and 6.

CCSSHSA-REI.C.5

Prove that, given a system of two equations in two variables, replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions.

CCSSHSA-REI.C.6

Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables.

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Eddie McCarthy

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