1. Algebra 2 Section 2: Properties of Real Numbers

2. Identity Properties What does the word identity mean?
Additive Identity Property:
Multiplicative Identity Property:

3. Inverse Properties What does the word inverse mean? Additive Inverse:
Multiplicative Inverse:

4. Example 1: Find the additive and multiplicative inverse of each number.
A) B)

5. Closure Property
Real + Real = _________
Real * Real = _________

6. Commutative Property

7. Associative Property

8. Distributive Property

9. Example 2: Identify the property demonstrated by each equation.
a) b)

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

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

12. 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

13. Assignment #2
Page 17 #’s 15-31,(64)