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Unit 3
Math Vocabulary
Term | Definition |
---|---|
equivalent fractions | fractions that name the same amount or part |
multiplicative inverse | the product of a nonzero number and its reciprocal or multiplicative inverse |
percent of change | the amount stated as a percent that a number increases or decreases |
proportion | an equation that shows two ratios are equivalent |
ratio | a comparison of two quantities by division |
unit rate | a rate in which the second quantity in the comparison is one unit |
scale factor | the ratio used to enlarge or reduce similar figures |
constant of proportionality | the constant value of a ratio of two proportional quantities x and y |
indirect measurement | the technique of using similar figures and proportions to find a measure |
principal | the initial amount of money borrowed or saved |
simple interest | a fixed percent of the principal It is found using the formula I=Prt, where p represents the principal, r the rate of interest, and t the time. |