Vocabulary Essential for 7th Grade Math
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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| area | the number of square units covering a surface of a figure.
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| circumference | the distance around a circle or its perimeter.
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| diameter | the distance across a circle through its center.
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| difference | the solution to a subtraction problem.
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| dimensions | the measurement of a figure's edges (length, width, height).
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| equation | a mathematical sentence using numbers and/or variables where both sides are equal
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| evaluate | to calculate the answer to an expression or equation
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| expression | a combination of numbers, operations, and/or variables with no equal sign.
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| justify | using numbers AND words to support your answer.
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| mean | the mathematical average of the data; found by finding the sum of all the data and dividing by the number of data pieces.
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| median | the middle number when data is arranged in numerical order.
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| mode | the number most repeated in a set of data.
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| perimeter | the distance around a geometric figure or the sum of all its sides.
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| product | the solution to a multiplication problem.
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| quotient | the solution to a division problem.
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| radius | the distance from the center of a circle to its edge.
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| range | the difference between the greatest and the least pieces of data.
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| rate | a ratio that compares two numbers with different kinds of units (for example, gallons:hour, price:item, meters:second)
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| ratio | the comparison of two numbers that can be written in various ways.
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| reasonableness | showing reason or sound judgement; a "sensible" choice.
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| sum | the solution to an addition problem.
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| Venn diagram | overlapping circles used to organize data into categories where some information may overlap.
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| volume | the amount of space a three-dimensional object contains, measured in cubic units.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
elizabethturner
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