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20 Cards in this Set
- Front
- Back
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rate
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a comparison of the measurements of two different units or things
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ratio
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a comparison of two quantities that tells the scale between them (example: Females to males in a math class is 14 to 12, or 7 to 6; also written 7:6 or 7/6)
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dependent
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the outcome of this event is affected by the outcome of a first event
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scale
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the number a ratio is multiplied by to find an equivalent ratio
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denominator
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in a fraction, the number that is on the bottom
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unit rate
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the unit rate compares an amount to ONE unit
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compare
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to show how two or more things are alike and diffferent
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decimal
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a percent can be expressed as afraction or as a DECIMAL
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variable
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a VARIABLE is something that can change and be counted or measured
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difference
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when you subtract one number from another number the answer you get is called the DIFFERENCE
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equation
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a mathematical sentence with an equal sign between two expressions
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rate table
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a RATE TABLE is used to find and organize equivalent ratios
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an INDEPENDENT variable or 'INDEPENDENT'
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An independent variable can stand by itself. It is not affected by another event.
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an equivalence
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When two or more things have the SAME VALUE, it is an EQUIVALENCE.
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a fraction
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a number expressed with a numerator and a denominator
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a graph
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a visual representation of data ... which allows patterns to be seen easily
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percent
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a fraction expressed with 100 in the denominator... also can be expressed in decimal form
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a scale factor
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a number that shows in all ways (length and width) how much smaller or larger something is compared to a similar object
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proportion
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an equation stating that two ratios are equal
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data
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______ are related facts, usually numbers, arranged in charts or graphs.
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