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16 Cards in this Set
- Front
- Back
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Exponent |
The exponent of a number says how many times to use the number in a multiplication. |
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Verbal Model |
Word equation that uses words to describe ideas and math symbols to relate the words. Represents a real situation. |
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Accuracy |
How close the value is to the actual value. |
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Unit Rate |
Rate where the denominator is 1 unit. |
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Algebraic Expression |
Expression with at least one variable. Also called a variable expression. "X + 7 = 10" |
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Open Sentence |
An equation or expression that is not known if it's true or false "N is an even number" - you don't know what N is so you can't say for sure that it's true |
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Rate |
A fraction that compares the quantities measured in different units The car was moving at 55 miles per hour |
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Solution of Inequality |
A number that makes a statement true when substituted for the variable "X + 7 = 10" "X = 3" |
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Solution of an equation |
A number or numbers that make an equation right when substituted for the variable.
"X + 2 = 4, X = 2 - this is the solution of an equation" |
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Precision |
The level of detail an instrument can measure - how close the values are to each other |
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Significant Digits |
Digits in a measurement that give meaning. "2,000 versus 1,000 - the significant digits are the 2 and 1 since they tell you how many thousands" |
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Power |
Expression that tells you how many times to repeat multiplication. |
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Order of Operations |
Rules for how to evaluation an expression with more than one operation |
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Base |
The number that is going to be raised to a power. |
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Equation |
Mathmatical sentence formed by placing one of the symbols (<,>) between the expressions |
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Variable |
A letter that is used to represent one or more numbers |
