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45 Cards in this Set
- Front
- Back
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Density Property |
The property that states that because any two real numbers, there is always another real number |
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Scale |
The ratio between two sets of measurements. (Example: 1 cm : 5 mi) |
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Irrational NUmbers |
A number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal. |
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Scale drawing |
A drawing that uses a scale to make an object smaller than or larger than the real object |
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Rational NUmbers |
Any number that can be expressed as a ratio of two numbers. |
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Similar |
Figures with the same shape but not neccaryly the same size |
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Perfect square |
square of a whole number |
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cross product |
THe product of numbers on the diagonal when comparing two ratios. |
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Real number |
a rational or irrational numnber |
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Unit price |
a unit rate used to compare prices |
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reciprocal |
the upside down of a fraction |
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unit rate |
a rate in which the second quantity in the caparison is one unit |
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percent |
these are ratios that compare a number to 100 |
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rate |
a ratio that compares 2 quantities measured in different units |
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Percent change |
the ratio of the amount of change to the original amount |
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proportion |
an equation that states the 2 ratios are equal |
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commission |
a fee paid to a person who makes a sale |
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equivalent ratio |
ratios that name the same comparison |
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commission rate |
this is usually a percent of the selling price |
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ratio |
a comparison of 2 quanities by division |
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sales tax |
the tax on the sale of an item or service |
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rate of interest |
the percent charged or earned on the principal |
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withholding tax |
tax deducted from a person's earnings as an advance payment of income tax |
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principal |
amount of money borrowed or invested |
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simple interest |
the money you owe on an amount of money u borrowed |
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algebracic expression |
an expression that contains at least one variable |
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scientific notation |
a method of writing very large or very small numbers by using powers of 10 |
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order of operations |
the rules to follow when evaluating an expression or equation |
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exponential form |
a number is in this form when it is written with a base and an exponent |
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evaluate |
means to solve |
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base |
when a number is raised to a power, the number that is used as a factor is this |
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assocaitive property |
the property that states that the grouping can change places but the sun or product stays the same |
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absolute value |
the distance od a number from zero on a number line |
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commmunative property |
the property that states the number can change places but the sum or product stays the same |
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opposite |
the numbers that are = distance from zero on a number ine |
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distrubutive property |
the property that states if you mulpitpy a sun by the number outside by inside |
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integer |
the set whole numbers including 0 and their opposites |
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exponent |
the number that indicates how many times the base is used as a factor |
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factor |
numbers that are being multiplied together |
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numerical expression |
an expression that contains only numbers and operations |
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difference |
the answer to subtracting problem |
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variable |
a letter or symbol that means a number |
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quotient |
the answer to a division problem |
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sum |
the answer to an addition problem |
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product |
the answer to a multiplication problem |
