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Lesson Plan
Curated OER

The Aspect Ratio of Wings

For Teachers 9th - 12th
Junior engineers examine aspect ration in airplane wings. Using the length and width of two differetn wings, they calculate the aspect ratios and compare drag rankings. An engineering or space science class would benefit from this...
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Unit Plan
TED Talks

Ted: Ted Ed: Why the Shape of Your Screen Matters

For Students 9th - 10th
In this video, Brian Gervase explains how the size a of television screen affects how much of a movie people are able to watch. [3:33] Followed by a short quiz and a list of additional resources to explore.
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eBook
Mathigon

Mathigon: Algebra: Fibonacci Numbers

For Students 9th - 10th
This lesson focuses on Fibonacci numbers, a pattern based on the sum of the two previous numbers. It offers examples and practice exercises using some form of Fibonacci numbers.