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# Linear Systems with Addition or Subtraction

## Solve systems using elimination of one variable

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Linear Systems with Addition or Subtraction

Use the elimination method to solve systems of linear equations.

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## Solving Systems Without Multiplying

This lesson covers solving a system by adding the two equations together to eliminate a variable.

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• Video

Solves system of equations by adding.

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• Video

## Solving Linear Systems by Elimination: A Sample Application

This video demonstrates a sample use of solving linear systems by elimination.

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• Video

## Linear Systems by Elimination: An Explanation of the Concept

This video provides an explanation of the concept of solving linear systems by elimination.

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## Linear Systems with Addition or Subtraction Quiz

Quiz for Solving Linear Systems with Addition or Subtraction.

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• Practice
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## Linear Systems with Addition or Subtraction Practice

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• Critical Thinking

## Linear Systems with Addition or Subtraction Discussion Questions

A list of student-submitted discussion questions for Linear Systems with Addition or Subtraction.

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To stimulate the critical thinking skills required to assess the validity of statements about the key concept using an Agree/Disagree Table.

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To build a step-by-step description of a sequence for analysis, discussion, or communication using a Sequence Diagram.

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Come up with questions about a topic and learn new vocabulary to determine answers using the table

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## Solving Systems without Multiplying Quickwrite (PreRead)

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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## Solving Systems without Multiplying Quickwrite (PostRead)

To organize ideas, increase comprehension, synthesize learning, demonstrate understanding of key concepts, and reinforce vocabulary using a Quickwrite.

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• Real World Application

## Is a cab ride worth it?

Students will use their knowledge of solving a system of linear equations using the Elimination Method to compare the price of a cab ride in San Francisco and compare their calculations with a website.

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• Real World Application

## High Pitch, Low Pitch

Find out why the pitch of an ambulance siren seems to change as it passes by you.

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• Study Guide