Activity

Texas Instruments: Numb3 Rs: Traveling on Good Circles

Curated by ACT

Based off of the hit television show NUMB3RS, this high-level math lesson has students delve into the topic of Great Circles on a sphere (specifically, the Earth), in order to find the shortest distances between locations. Students will use trigonometry to explore the differences between great circle distances and straight line (through the sphere) distances. [Requires Adobe Reader.]

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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)