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## Evaluate and estimate numerical square and cube roots

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.

Learn how to simplify expressions that contain radicals.

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## Simplifying Square Roots

This lesson covers adding, subtracting, and multiplying square roots.

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• PLIX

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• Video

## Radical Expressions: A Sample Application

This video demonstrates a sample use of radical expressions.

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• Video

## Radical Expressions: An Explanation of the Concept

This video provides an explanation of the concept of radical expressions.

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• Practice
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## Simplification of Radical Expressions Practice

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• Critical Thinking

A list of student-submitted discussion questions for Radical Expressions.

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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 emphasize students’ understanding of key words and practice applying the definitions of the vocabulary words to examples and drawings using the Frayer Model.

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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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Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.

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## Simplifying Square Roots Stop and Jot

Strengthen ability to analyze word meaning and symbolic or mathematical notation from context and introduce students to unfamiliar vocabulary or notation. Further solidify understanding by defining new vocabulary words and notation as well as generating personal examples of words, concepts, and notation usage.

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• Real World Application

## Current Expressions

Find out how electrical engineers use radical expressions.

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• Study Guide