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| a language that helps translate real-life situations into mathematical form so that we can analyze change and answer the question "What if?" |
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| an expression consisting of one or more numbers and variables along with one or more arithmetic operations. |
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| A fraction that has one or more fractions in the numerator or denominator. |
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| In an expression of the form xn, the exponent is n. |
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| In a multiplication expression, the quantities being multiplied are called factors. |
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| an equation that states a rule for the relationship between certain quantities. |
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| A mathematical sentence comparing two expressions that are linked by one of the following: <, <, >, or >. |
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| Any number that is less than zero. |
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| The result of a multiplication operation. |
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| One of the four regions into which the x- and y- axes separate the coordinate plane. |
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| a number that can be expressed as a ratio of two integers, except that the denominator cannot be equal to zero. |
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| The set of rational numbers and irrational numbers together form the set of real numbers. |
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| a numerical quantity that is assigned or is determined by calculation or measurement. |
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| a symbol, typically a lower case letter, that is used to represent an unspecified number. |
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| The set of whole numbers can be expressed as {0,1,2,3,...}. |
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| A number that cannot be expressed in the form (a/b) where a and b are integers and b <> 0. |
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