Tuesday, November 18, 2008

Comparing and Scaling Inv.1 math reflections
Complete the following questions for a graded assignment!1. Explain what you think each word means when it is used to make a comparison.
a) ratio-i think that this means part to part
b) percent-a percent is amount of 100%
c) fraction-a fraction is apart of a whole
d) difference –thed amount between two numbers
2) Give an example of a situation using each concept to compare two quantities. (150 total seventh graders, 80 girls, 70 boys)
a) ratio-80:70
b) percent-53% is girls
c) fraction-80/150
d) difference-10