1. Explain what you think each word means when it is used to make a comparison.
a) ratio-part to part
b) percent-part to part
c) fraction-part to whole
d) difference –part to whole
2) Give an example of a situation using each concept to compare two quantities. (150 total seventh graders, 80 girls, 70 boys)
a) ratio-70:80
b) percent-87.5%
c) fraction-70/80
d) difference-10