Math Foundations: Key Terms & Definitions for Workplace Math

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Last updated 1:59 PM on 9/14/26
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18 Terms

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Mathematics

field of study concerned with numbers, quantity, shapes and the relationships among them

<p>field of study concerned with numbers, quantity, shapes and the relationships among them</p>
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Quantitative

involving numbers or based on quantity

<p>involving numbers or based on quantity</p>
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Addition

combining numbers; expressed by '+' symbol

<p>combining numbers; expressed by '+' symbol</p>
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Subtraction

deducting numbers; expressed by '‒' symbol

<p>deducting numbers; expressed by '‒' symbol</p>
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Multiplication

increasing numbers through repeated addition; expressed by 'x', ' ' or '∙' symbol

<p>increasing numbers through repeated addition; expressed by 'x', ' ' or '∙' symbol</p>
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Division

splitting numbers into equal parts; expressed by '÷' or '/' symbol

<p>splitting numbers into equal parts; expressed by '÷' or '/' symbol</p>
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Variable

unknown quantity, typically expressed as a letter such as x, y, a or b

<p>unknown quantity, typically expressed as a letter such as x, y, a or b</p>
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Fraction

part of a whole number expressed as a numerator over a line or slash with a denominator below

<p>part of a whole number expressed as a numerator over a line or slash with a denominator below</p>
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Numerator

top number in a fraction; represents how many parts there are

<p>top number in a fraction; represents how many parts there are</p>
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Denominator

bottom number in a fraction; represents how many parts the whole is divided into

<p>bottom number in a fraction; represents how many parts the whole is divided into</p>
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Lowest Common Denominator (LCD)

smallest number which is a multiple of all of a set of fractions' denominators

<p>smallest number which is a multiple of all of a set of fractions' denominators</p>
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Decimal

part of a whole number expressed as digits placed to the right of a decimal point

<p>part of a whole number expressed as digits placed to the right of a decimal point</p>
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Percentage

part of a whole number expressed in hundredths and followed by a percent symbol (%)

<p>part of a whole number expressed in hundredths and followed by a percent symbol (%)</p>
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Conversion

process of changing from one form to another

<p>process of changing from one form to another</p>
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Ratio

comparison of numbers; expression showing the relationship between two quantities

<p>comparison of numbers; expression showing the relationship between two quantities</p>
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Proportion

expression stating two ratios are equal

<p>expression stating two ratios are equal</p>
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Formula

equation used to understand the relationships between variables; rule for solving math problems

<p>equation used to understand the relationships between variables; rule for solving math problems</p>
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Qualitative

involving qualities, attributes properties, etc. rather than numerical measurements

<p>involving qualities, attributes properties, etc. rather than numerical measurements</p>