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# Properties of Equality and Congruence

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##### Description:
1.

Introduce the Reflexive, Symmetric, and Transitive Property of Equality and Property of Congruence, being sure to distinguish between equality and congruence.

2.

Review the Addition, Subtraction, Multiplication, Division, and Substitution Properties of Equality.

3.

Provide examples that demonstrate how to identify the different properties of equality and properties of congruence.

4.

Provide examples that demonstrate how to use the different properties of equality and properties of congruence to make logical arguments (ex. and are both complementary to .  Show that  )

This packet should help a learner seeking to understand the properties of equality and congruence.

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Tutorial

## The Reflexive, Symmetric, and Transitive Properties

This video introduces the Reflexive, Symmetric, and Transitive Property of Equality and Property of Congruence, and distinguishes between equality and congruence.

## Addition, Subtraction, Multiplication, and Division Properties of Equality

This video introduces the Addition, Subtraction, Multiplication, and Division properties of equality in their simplest form - what you do to one side, you must do to the other.

Source: Ms. Hess on Guaranteach

## Substitution Property of Equality

This video reviews the substitution property of equality.

## Examples of the Properties of Equality in Use

This slideshow demonstrates how to identify the different properties of equality and congruence, and provides examples that demonstrate how to use the different properties of equality and congruence to make logical arguments.