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variable |
letter that stands for a number |
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variable (algebraic) expression |
mathematical phrase that uses variables, numbers, and operation symbols |
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numerical phrase |
mathematical phrase that uses numbers and operation symbols |
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simplify |
perform all possible mathematical operations |
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evaluate |
substitute a given value for a variable and simplify the resulting expression |
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natural (counting)numbers |
1, 2, 3, ... |
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whole numbers |
natural numbers and zero
0, 1, 2, 3, ... |
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integers |
whole numbers and their opposites
...,-2, -1, 0, 1, 2, ... |
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opposite of a number |
a number that is the same distance from zero on the number line |
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absolute value |
the distance between a number and zero on the number line; always non-negative |
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inductive reasoning |
making conclusions based on patterns |
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conjecture |
conclusion based on inductive reasoning |
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