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## Discussion

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### Properties of Real Numbers

Important subsets of the real numbers are: the natural numbers, the whole numbers, the integers, the rationals, and the irrationals.

The real numbers are commutative and associative under addition and multiplication, have additive and multiplicative identities and inverses, and satisfy the distributive property.

Use these properties to simplify expressions.

### Properties of Real Numbers

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

- Intro 0:00
- Real Numbers 0:15
- Rational Numbers
- Irrational Numbers
- Venn Diagram of the Real Numbers 2:55
- Properties of Real Numbers 6:49
- Commutative Property
- Associative Property
- Identity Property
- Inverse Property
- Distributive Property
- Lecture Example 1 10:43
- Lecture Example 2 13:08
- Additional Example 3
- Additional Example 4

0 answers

Post by Neha Siddhartha on November 7, 2009

I find it especially difficult to remember all of the different properties; it was hard keeping up with 'Lecture Example 2'.