Vocabulary List for Math Class Unit One
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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| Ratio | two quantities, a comparison of two numbers, can be written as: # to #, # : #, or #/#
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| Variable | an unknown, represented by a letter
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| Rates | show up everywhere in the real world, ratios of two quantities, both of which are changing or varying
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| Expression | a group or combination or numbers that we know and ones we don't (variables), does not have an equal sign
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| Order of Operations (PEMDAS) | the "rules" for solving an expression, the order of steps you need to take to solve an expression, order: (parentheses, exponents, multiplication and division, addition and subtraction)
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| Commutative Property of Addition | gives permission to rewrite addition problems in different orders than what are normally given, changes the order of the numbers without changing the sum
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| Commutative Property of Multiplication | gives permission to rewrite multiplication problems in different orders than what are normally given, changes the order of the numbers without changing the product
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| Associative Property of Addition | gives permission to rewrite addition problems in different orders than what are normally given, changing the location of the parentheses around numbers without changing the sum
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| Associative Property of Multiplication | gives permission to rewrite multiplication problems in different orders than what are normally given, changing the location of the parentheses around numbers without changing the product
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| Evaluating Expressions | finding the results of the calculations of an expression when all variable values are known
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| Binomial | an expression with two terms
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| Equivalent Expressions | two (or more) algebraic expressions that have the same value for every value of the substitution variable (or variables); no matter what value you stick in for x (or y or z) the two expressions come out equal
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| Factoring Expressions | the process of writing an equivalent expression as purely the product of other expressions
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| Distributive Property of Addition over Multiplication | gives permission to rewrite multiplication problems in different orders than what are normally given; if a, b, and c all represent real numbers then: a (b + c) = a x b + a x c; applying a multiplication to all parts of a sum
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| Distributive Property of Addition over Division | gives permission to rewrite division problems in different orders than what are normally given; if a, b, and c all represent real numbers then: b + c / a = b / a + c / a; applying a division to all parts of a sum
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| Trinomial | an expression with three terms
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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:
Amo.Alexa.1920
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