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20 Cards in this Set
- Front
- Back
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addition
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A mathematical operation where two numbers are joined to get one number called a sum. Signal words: sum, total, add, plus
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multiplication
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A mathematical operation where a number is added to itself a number of times. Signal word: product, times, and groups of.
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subtraction
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The mathematical operation of taking one quantity from another. Signal words: difference, minus, take away
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division
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The mathematical operation of grouping numbers into equal parts. Signal word: quotient,
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money
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Coins or paper that can be exchanged for goods or services.
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quarter
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Coins or paper that can be exchanged for goods or services.
One of four equal parts. A coin equaling ¼ of a dollar. In time: ¼ of an hour equaling 15 minutes. On a calendar, ¼ of a year equaling 3 months. |
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dollar
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Coins or paper money worth one hundred cents.
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cents
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Coin money that is less than one dollar.
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place value
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The value of a digit depending upon its place in a number.
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equation
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A mathematical equation containing an equal sign showing two expressions are equal.
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variable
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A quantity that can change, usually represented by a letter. 6 + x = 10 x = 4 x is the ......
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algebra
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An area of mathematics where numbers are often represented with letters.
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function
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Like an input/output machine. A rule determines how the input number changes and becomes an output number.
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input/output
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A number is put into a system, is changed by a rule, and then is released.
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elapsed time
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A measured duration of an event.
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minute
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A unit of time equaling 60 seconds.
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hour
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A unit of time equaling 60 minutes.
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quadrant
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A quarter of a plane divided by the x-axis and the y-axis.equaling 60 minutes.
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coordinate grid
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A plane containing two perpendicular axes (x and y) intersecting at the origin (0).
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ordered pair
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Two numbers whose order is important and is used to indicate a point on a coordinate plan, map, or graph.
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