Vocabulary for Algebra I - Equations/Proportions/Formulas
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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| constant | a value that does not change
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| expression | a mathematical phrase that contains operations, numbers, and/or variables
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| order of operations | a process for evaluating expressions - Parentheses/Exponents/Multiply/Divide/Add/Subtract
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| variable | a symbol used to represent a quantity that can change
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| equation | mathematical statement that two expressions are equal
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| solution of equation | a value of a variable that makes an equation true
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| equivalent equations | equations that have the same solution, but may look different
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| identity | an equation that is always true, no matter what value is substituted for the variable
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| deductive reasoning | the process of using logic along with known facts, definitions, and properties to reach a conclusion
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| ratio | the comparison of two quantities - often expressed in a fraction
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| proportion | a statement that two ratios are equal
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| rate | a ratio of two quantities with different units, such as miles/gallon (mi/gal)
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| unit rate | a rate with a second quantity of 1 unit - such as 22 mi/1 gal (22 mi/gal)
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| cross products (cross multiplying) | multiplying diagonally across a proportion
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| percent | a ratio that compares a number to 100
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| scale | a ratio between two sets of measurements (like 1 in:5 mi)
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| formula | an equation that states a rule for a relationship among quantities (like d=rt)
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| literal equation | an equation that has two or more variables
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| absolute value of a number | the number's distance from zero on a number line
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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:
gklee
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