Ratios and Proportional Reasoning
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Scale Up/Down | to change size proportionally either bigger or smaller
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| Proportion | two equal fractions or ratios
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| Ratio | a relative comparison of two quantities of the same unit
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| Unit Rate | a comparison of two values where 1 is a unit ( 12 miles to 1 gallon)
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| Rate | a ratio that compares quantities of different units
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| Constant of Proportionality | the multiplication relationship BETWEEN two quantities
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| Percent | a ratio that has 100 on the bottom as a total
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| Sales tax | the amount added on to the purchase of something bought.
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| Discount | A reduction in price. Often said as a percent of the total.
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| Commission | A fee paid for services, usually a percentage of the total cost.
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| % increase | The percent that is added on to the total (100%)
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| % decrease | The percent that is subtracted from the total (100%)
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| tips | A percent added on to a meal served by a waiter/waitress or other excellent customer service. Usually 20%.
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| mark ups | the amount added to the cost price of items to cover the store's overhead and profit.
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| dependent variable | The "output" value of a function. It is the y-axis when graphing.
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| independent variable | An "input" value of a function. It is the x-axis when graphing.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mrhunt
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