Alegebra Concepts and Skills Vocabulary
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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| Algebraic expression | An expression that contains a variable. For example, if Maria is 2 inches taller than Joe, and if the variable M represents Maria’s height, then the algebraic expression M – 2 represents Joe’s height.
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| Circumference | The distance around a circle or a sphere; the perimeter of a circle.
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| Diameter | A line segment that passes through the center of a circle or a sphere and has endpoints on the circle or sphere. The diameter of a circle is twice the length of the radius.
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| Line graph | A graph in which data points are connected by line segments.
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| Pan-balance | A tool used to weigh objects or compare their weights.
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| Pi | The ratio of the circumference of a circle to its diameter. Pi is the same for every circle and is approximately 3.14.
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| Predict | In mathematics, to say what will happen in the future based on experimental data or theoretical calculation.
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| Radius | A line segment from the center of a circle (or sphere) to any point on the circle (or sphere).
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| Rate | A comparison by division or two quantities with unlike units. For example, a speed such as 55 miles per hour is a rate that compares distance with time.
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| Ratio | A comparison by division of two quantities with like, or the same, units.
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| Variable | A letter or other symbol that represents a number. It can stand for one number or many different numbers.
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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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