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6th CCSSM RATIOS

6th CCSSM RATIOS AND PROPORTIONAL RELATIONSHIP COMPLETE

TermDefinition
ratio shows the relative sizes of two or more values; can be shown in different ways. Using the ":" to separate example values, or as a single number by dividing one value by the total. Example: if there is 1 boy and 3 girls you could write it as: 1:3 (for e
equivalent ratios are two ratios that express the same relationship between numbers. We can create these by multiplying or dividing both the numerator and denominator of a given ratio by the same number. (equivalent fractions)
tape diagram A drawing that looks like a segment of tape, used to illustrate number relationships. Also known as a strip diagram, bar model, fraction strip, or length model.
unit rate the ratio of two measurements in which the second term is If Nancy earns $180 in 20 hours, then unit rate of her earning is given as 180/20 = $9 per hour
part-to-part a ratio that represents the relationship of one part of a whole to another part of the same whole. Suppose there are 10 marbles in a bag, out of which 3 are green in color and the remaining 7 are red in color. Then the part-part ratio of the green marbl
part-to-whole a ratio or a fraction that represents a relationship between a part and its whole. Suppose a bag contains 4 apples , 8 bananas, and 12 apricots. Then the part-whole ratio of apples is 4/24 = 1/6 , the part-whole ratio of bananas is 8/24 = 1/3 , and the
percent a ratio that compares a number to 100; means parts per 100 The symbol is %; Example: 25% means 25 per 100
Created by: artisteacher