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# Square Roots and Irrational Numbers

## Simplify square roots by factoring

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.
• PLIX

## Square Roots and Irrational Numbers: Pythagorean Theorem

by CK-12 //at grade

Square Roots and Irrational Numbers Interactive

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• Video

## Square Roots: A Sample Application

by CK-12 //at grade

This video demonstrates a sample use of square roots.

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• Video

## Square Roots: An Explanation of the Concept

by CK-12 //at grade

This video provides an explanation of the concept of square roots.

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• Downloadable Quiz

## Square Roots and Irrational Numbers Quiz

by CK-12 //at grade

Quiz for Square Roots and Irrational Numbers.

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• Practice
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## Square Roots and Irrational Numbers Practice

by CK-12 //at grade
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• Critical Thinking

## Square Roots and Irrational Numbers Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Square Roots and Irrational Numbers.

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• Pre and Post Read

## Square Roots and Irrational Numbers Pre and Post Read

by CK-12 //at grade

To encourage students to generate questions, activate their prior knowledge, and collect information to answer their own questions using a Question and Answer Table.

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• Pre and Post Read

## Square Roots and Irrational Numbers KWL Chart

by CK-12 //at grade

With the KWL chart, reflect on your prior knowledge, ask questions that you are curious about,and come up with answers from the reading.

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• Real World Application

## Baseball Diamonds

by CK-12 //at grade

Students will apply their understanding of square roots to compare the sizes of little league and professional baseball diamonds.

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• Study Guide

## Basics of Real Numbers Study Guide

by CK-12 //at grade

This study guide reviews the different types of rational numbers and some of their properties: rational number, integer, natural number, whole number, non-integer, fraction, and irrational number. It also looks at symbols used in algebra and sets.

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• Study Guide

## Irrational Numbers and Radicals Study Guide

by CK-12 //at grade

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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• Link

## How to Calculate a Square Root without a Calculator

by CK-12 //at grade

Calculate square roots without a calculator. Sounds impossible? Learn more here.

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• Link

## Square Roots

by CK-12 //at grade

Provides several tools to help you learn how to find a square without a calculator.

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