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-b) percent-c) fraction-d) difference –2) Give an example of a situation using each concept to compare two quantities. (150 total seventh graders, 80 girls, 70 boys)a) ratio-b) percent-c) fraction-d) difference-
Posted by Mrs. Domenico's

1. A comparison is when you compare two numbers.
2. A ratio is when you take corr. or adj. to find a missing number.
3. A percent is out of a 100 60\100 60%.
4. A fraction is a number over a 100 35/100.
5. A difference is a number minus a number 90-45=35 is the difference.

A1. Ratio
A2. Percent
A3. Fraction 80/150 girls or 70/150 boys
A4. Difference 80 girls - 70 boys = 10 as the difference