A | B |
rate | a ratio of two numbers that have different units |
unit rate | a rate with a denominator of 1 |
rate conversion | a process of changing at least one unit of measurement in a rate to a different unit of measurement |
ratio | a comparison of two numbers using division |
complex fraction | a fraction that contains a fraction in its numerator, denominator, or both |
conversion | the process of renaming a measurement using different units |
customary units | a system of measurement used in the US that includes units for measuring length, capacity, and weight |
metric units | a system of measurement based on tens. |
proportion | an equation stating two ratios are equivalent |
scale factor | the ratio of corresponding sides in two similar figures |
congruent figures | two figures that have the exact same shape and the exact same size |
similar figures | two figures that have the same shape, but not necessarily the same size |
congruent | equal in measure |
corresponding parts | the angles and sides in similar or congruent figures that match |
cross products | the product of one numerator and the opposite denominator in a pair of equivalent fractions |
equivalent fractions | two or more fractions that represent the same number |
discount | the decrease in the price of an item |
percent of change | the percent a quantity increases or decreases compared to the original amount |
percent of increase | the percent of change when the new amount is more than the original amount |
percent | a ratio that compares a number to 100 |
sales tax | an amount added to the cost of an item usually based on a percentage |
mark-up | the increase in the price of an item |
percent of decrease | the percent of change when the new amount is less than the original amount |
part | the number that you have |
whole | the total number |