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# Angle Measurement

## Measurement of angles with protractors and addition of angles.

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.

## Angle Measurement

This concept teaches students to use a protractor to measure angles and apply the Angle Addition Postulate.

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## Angle Measurement

Learn how to use a protractor to measure and draw angles.

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• PLIX

Angle Measurement Interactive

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• Video

## Measuring Angles Principles

This video gives more detail about the mathematical principles presented in Measuring Angles.

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• Video

## Measuring Angles Examples

This video shows how to work step-by-step through one or more of the examples in Measuring Angles.

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## Angle Measurement Quiz

Ten problem quiz. Students will need to solve for missing angles, estimate the measurement of angles and use a protractor and ruler to draw angles.

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• Practice
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## Angle Measurement Practice

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• Interactive Exercise

One angle is a scalar multiple of the other. Use the given information to solve for the unknown angle measure.

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• Interactive Exercise

## Angles and Algebra

A pair of angles are displayed. The angle measures are algebraic expressions.

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• Critical Thinking

## Angle Measurement Discussion Questions

A list of student-submitted discussion questions for Angle Measurement.

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

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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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To use problem-solving skills and deepen understanding of the text to compare key vocabulary words with more familiar everyday words using Word Analogies.

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• Real World Application

Find out how the grades of steep roads are determined and what they mean for drivers and truckers.

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• Real World Application

## Angle Measurement

Having trouble remembering how to measure an angle or trouble estimating how big an angle is?

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• Study Guide

## Angles Study Guide

This study guide reviews angle nomenclature, how to measure angles, different types of angles, congruent angles, and angle pairs.

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