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# Properties of Equality and Congruence

## Logical rules that allow equations to be manipulated and solved.

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.

## Properties of Equality and Congruence

by CK-12 //basic
Use equality and congruence properties.
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## Properties of Equality and Congruence

This concept reviews properties of equality and congruence.
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## SLT 36 Construct a logical argument to develop a formal proof.

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## Properties of Equality and Congruence

This concept reviews properties of equality and congruence.
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## Geometric Properties for Proofs

by MPS Math Core Writers //at grade
This concept reviews properties of equality and congruence.
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## Properties of Equality and Congruence

This concept reviews properties of equality and congruence.
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• PLIX

## Properties of Equality and Congruence: Justifying Algebraic Steps

Properties of Equality and Congruence Interactive
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• Video

## Properties of Equality and Congruence Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on the properties of equality and congruence.
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• Video

## Properties of Equality and Congruence Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept " Properties of Equality and Congruence".
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• Video

## Properties of Equality and Congruence Principles

This video gives more detail about the mathematical principles presented in Properties of Equality and Congruence.
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• Video

## Properties of Equality and Congruence Examples

This video shows how to work step-by-step through one or more of the examples in Properties of Equality and Congruence.
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• Video

## Introduction to Proof Using Properties of Equality

by CK-12 //basic
An introduction to proofs using properties of equality. James Sousa shows how to write a simple 2-column proof for a geometric equation.
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• Video

## Introduction to Proof Using Properties of Congruence

by CK-12 //basic
An introduction to proofs in geometry using a two column proof and properties of congruence.
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• Critical Thinking

## Properties of Equality and Congruence Discussion Questions

A list of student-submitted discussion questions for Properties of Equality and Congruence.
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• Real World Application

## Properties Of Equality And Congruence

Simply stated, the Transitive Property Fallacy of MMA is this: if Fighter A beats Fighter B, and Fighter B beats Fighter C, then Fighter A would beat Fighter C. Does this work?
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• Study Guide

## Proofs Study Guide

This study guide reviews proofs: algebraic proof, properties of congruence, and geometric proofs (two-column).
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• Flashcards

## Properties of Equality and Properties of Congruence Flashcards

by CK-12 //basic
These flashcards help you study important terms and vocabulary from Properties of Equality and Congruence.
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