Introduction to Ratios and Proportional Relationships
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Equivalent Ratio
If two ratios have the same value when simplified.
ratio
a number that relates two quantities/measures within a given situation in a multiplicative relationship
unit
a single undivided whole
tape diagram
ratio broken into segments; used to visualize/solve comparisons between ratios
Part-to-Whole Ratios
relate one part of the whole to the whole; units being compared are from the same group; ex. ratio of boys to the children in line
Part-to-Part Ratio
relates one part of a whole to another part of the same whole; ex. compares girls and boyes in the same class