Critical thinking and number sense based math problems to challenge students of all grade levels. Most of these problems require more critical thinking and less number crunching than typical textbook math problems. Check back 5 days per week for a new problem.
Monday, August 10, 2009
7th - 10th grade
An iphone screen is 3.5" measured diagonally at a ratio of 3:2. Jennie's TV is 31.5" measured diagonally and at a ratio of 16:9. How many iphone screens would it take to make a picture the size of Jennie's TV?
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