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**Algebra 2 Section 2: Properties of Real Numbers**

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**Identity Properties What does the word identity mean?**

Additive Identity Property: Multiplicative Identity Property:

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**Inverse Properties What does the word inverse mean? Additive Inverse:**

Multiplicative Inverse:

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**Example 1: Find the additive and multiplicative inverse of each number.**

A) B)

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Closure Property Real + Real = _________ Real * Real = _________

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Commutative Property

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Associative Property

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**Distributive Property**

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**Example 2: Identify the property demonstrated by each equation.**

a) b)

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**Example 3: Use mental math to find a 15% tip on a bill of $18.52.**

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**Example 4: Use mental math to find 5% tax on a $42.40 purchase.**

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**Example 5: Classify each statement as sometimes, always, or never true**

Example 5: Classify each statement as sometimes, always, or never true. Give examples of properties to support your answers. A) B) 3(a+1) = 3a + 3

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Assignment #2 Page 17 #’s 15-31,(64)

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