Math: Number Sets

Natural or Counting Numbers

1,2,3,4...
Whole Numbers

0,1,2,3,4...
Rational Numbers
- p/q (fractions)
- q cannot be zero (undefined)
Irrational Numbers

pi (decimal that goes on forever and doesn't repeat)
Real Numbers

Rational and Irrational numbers.
What is the Commutative Property?
- (Add.): a+b=b+a
- (Mult.): ab=ba
What is the Associative Property?
- (Add.): (a+b)+c=a+(b+c)
- (Mult.): (ab)c=a(bc)
What is the Identity Property?
- (Add.): 0+a=a and a+0=a
- (Mult.): a*0=0 and 0*a=0
What is the Inverse Property?
- (Add.): a+(-a)=0
- (Mult.): a*(1/a)=1
What is the Distributive Property?

a(b+c)=ab+ac

Author

dr2b55

32277

Card Set

Math: Number Sets

Description

Number Sets

Updated

2010-09-01T20:33:22Z

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