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18 Cards in this Set
- Front
- Back
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Evaluating Variable Expressions
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phrase that contains operations
*can have numbers *must have variables |
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variable
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a letter that stands for a number
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Inequality
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sentence compares UNEQUAL phrases
>greater than <less than |
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equation
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each phrase must name the same number
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operation
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+ addition x multiplica
- subtraction division |
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scale
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the ratio between 2 sets of measurments (scale to actual)
1 cm : 2 m |
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digit
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any one of the ten symbols
0-9 used to write #s. |
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ratio
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comparison of the numbers of 2 sets
(girls to boys) (8 to 7) g:b 8:7 |
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base
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a # used a repeated factor
8 = 8 x 8 x 8 the base is 8 |
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exponent
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the # that tells how many times a base is to be used as a factor
8 = 8 x 8x 8 8 is the base 3 is the exponent |
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Factor
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a number that is multiplied by another number to find a product
4 x 7 = 28 factors are 4 and 7 |
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variable
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letter that represents the value of a number
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product
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an answer to a multiplication problem
6 x 2 = 12 the product is 12 |
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expression
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phrases or numberical variable that has operations
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quotient
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an answer to a division problem
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equation
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a # sentence with states that 2 amounts are EQUAL
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solution
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a value that when substituted for a variable in an equation makes the equation TRUE
x + 4 = 7 3 + 4 =7 x = 3 3 is the solution |
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dividend
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the # that is to be DIVIDED
35 5 = 7 35 is the dividend |
