## Math vocabulary words

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lasterdm  on May 26, 2009

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# Math vocabulary words

 RatioComparison of two numbers using division
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#### Definitions

Ratio Comparison of two numbers using division
Comparison Examining two numbers to see which is larger
Fractional form Expressed as a fraction
Proportion Two equal ratios
Unknown term The missing number in a proportion
N A letter used to stand for an unknown number
Mixture Combination of two or more items
Conversion Change from one unit of measure to a different one
Currency Money
Percent Part per one hundred
Rate Percent
Base The amount you are taking a part or percent of
Percentage Result obtained by multiplying a number by a percent
List price Regular price of an item
Sale price Reduced price of an item
Discount rate Percent that the price is reduced
Discount A reduction made from regular price
Sales tax Money paid as tax when u buy an item
Tax rate The percent charged as tax
Principal Amount borrowed or invested
Rate of interest Percent paid or charged for the use of money
Commission Percentage of total sales
Rate of commission The percent used to compute commission
Tip An amount of money paid for service
Tip rate Percent left as a tip
Graph A visual way to show information
Scale A ratio of the original size to the size on a map or model
Pictograph A graph that uses pictures or symbols
Symbol A thing that represents something else
Data Information
Bar graph A graph that compares amounts by using bars
Axis A line of reference on a graph
Divided bar graph A graph that uses parallel bars to compare information
Multiple bar graph A bar graph wiht more than one kind of bar
Line graph A graph composed of connected line segments that shows change in amounts
Horizontal axis The line of reference that is parallel to the horizon
Vertical axis The line of reference that is up and down
Circle graph A graphic way to compare amounts using segments of a circle
Integer All whole numbers and their opposites
Positive integer A whole number greater than zero
Negative integer A whole number less than zero
Absolute value The distance a number is from zero
Variable A symbol, usually a letter, that represents an unknown number

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