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## Add and subtract fractions with variables in the denominator

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.

by CK-12 //basic
Learn how to simplify expressions involving the addition and subtraction of radicals.
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Learn how to simplify expressions involving the addition and subtraction of radicals.
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by Barbara Zingg //basic
Learn how to simplify expressions involving the addition and subtraction of radicals.
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• Video

## Basic Operations and Radical Expressions - Overview

by CK-12 //basic
Overview
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• Video

by CK-12 //basic
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• Critical Thinking

A list of student-submitted discussion questions for Addition and Subtraction of Radicals.
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• Real World Application

## Pentagon

Students apply their understanding of simplifying and adding radical expressions to looking at the sides of the United States' Pentagon building.
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• Study Guide

## Irrational Numbers and Radicals Study Guide

This study guide looks at square and cube roots, radical expressions, rationalization, solving radical equations, and graphing radical functions and equations.
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• Flashcards