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10 Cards in this Set
- Front
- Back
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Natural Numbers |
The set of natural numbers we use for counting: 1,2,3,4,5,6,7,8,9, ... |
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Whole numbers |
The set of whole numbers includes the natural numbers together with 0 |
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Integers |
The set of integers includes the natural numbers, 0, and the negatives of the natural numbers: ...,-5,-4,-3,-2,-1,0,1,2,3,4,5,... |
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Prime numbers |
The prime numbers are the natural numbers greater than 1 that are divisible only by 1 and themselves. {2,3,5,7,11,13,17,19,23,...} |
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Composite numbers |
The composite numbers are the natural numbers greater than 1 that are not prime. {4,6,8,9,10,12,14,15,16,18,20,21,...} |
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Even integers |
The even integers that are exactly divisible by 2. {...,-8,-6,-4,-2,0,2,4,6,8,...} |
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Odd integers |
The odd integers are the integers that are not even. {...,-9,-7,-5,-3,-1,1,3,5,7,9,...} |
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Rational numbers |
The set of rational numbers is a/b where a is an integer and b is a nonzero integer. |
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Irrational numbers |
The set of irrational numbers is x where x is a no terminating, nonrepeating decimal. |
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Real numbers |
The set of real numbers is x where x is a terminating decimal; a repeating decimal; or a non terminating, non repeating decimal. |
