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7 Cards in this Set
- Front
- Back
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natural numbers |
1, 2, 3, 4, 5... - counting numbers |
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whole numbers |
0, 1, 2, 3, 4, 5... |
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integers |
...-3, -2, -1, 0, 1, 2, 3... |
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rational numbers |
2/3, 0.6666..., 0.121212..., -0.2, -0.79; fractions, decimals that repeat endlessly but with a pattern |
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irrational numbers |
pi, e, the square root of 5; decimals that go on forever without a pattern |
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imaginary numbers (not part of the real number system) |
numbers which cannot be represented in our real number system; the square root of a negative number, like i, the square root of one, is a good example |
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complex c |
an imaginary and a real number put together |
