# Linear Pairs

## Two adjacent angles that form a straight line.

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 Pairs

by CK-12 //at grade
This concept will introduce students to linear pairs of angles.
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## Identify Adjacent and Vertical Angles

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Learn to identify adjacent and vertical angles.
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• PLIX

## Linear Pairs

by CK-12 //at grade
Linear Pairs Interactive
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• PLIX

## Linear Pairs: Angles and Lines in a Perspective Drawing

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Linear Pairs Interactive
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• Video

## Linear Pairs Principles

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This video gives more detail about the mathematical principles presented in Linear Pairs.
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• Video

## Linear Pairs Examples

by CK-12 //at grade
This video shows how to work step-by-step through one or more of the examples in Linear Pairs.
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• Critical Thinking

## Linear Pairs Discussion Questions

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A list of student-submitted discussion questions for Linear Pairs.
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• Real World Application

## Linear Pairs

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How are linear pairs used in chemistry?
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• Study Guide

## Angles Study Guide

by CK-12 //at grade
This study guide reviews angle nomenclature, how to measure angles, different types of angles, congruent angles, and angle pairs.
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