1.06.2014

Proportions

As I reflect back on today's class on solving word problems relating to proportions (thank you Mr. Dinmahamad for assisting me with the math curriculum), I realized there is still some confusion on two very important steps in this month's aim: 

1)What is a proportion? 


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&


2) How do you set up an equation based on the word problem given? 


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Homework: Be prepared to discuss the video and how it applies to the mathematical word problems below:

1) Annie Cannon spends 18 hours in a 2 week period practicing her star classification skills. How many hours does she practice in 5 weeks?

2) In the astronomy world, classifying 20 stars per minute is considered acceptable. How many stars per 30 minutes is this?

3) Of the 400 stars Annie Jump Cannon classified, 14 were categorized incorrectly. How many incorrectly categorized stars should be expected from1000 stars?


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