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### How to study your flashcards.

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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 non-negative inductive reasoning making conclusions based on patterns conjecture conclusion based on inductive reasoning