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12 Cards in this Set
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 Back
variable

letter that stands for a number

variable (algebraic) expression

mathematical phrase that uses variables, numbers, and operation symbols

numerical phrase

mathematical phrase that uses numbers and operation symbols

simplify

perform all possible mathematical operations

evaluate

substitute a given value for a variable and simplify the resulting expression

natural (counting)numbers

1, 2, 3, ...

whole numbers

natural numbers and zero
0, 1, 2, 3, ... 
integers

whole numbers and their opposites
...,2, 1, 0, 1, 2, ... 
opposite of a number

a number that is the same distance from zero on the number line

absolute value

the distance between a number and zero on the number line; always nonnegative

inductive reasoning

making conclusions based on patterns

conjecture

conclusion based on inductive reasoning
