Once in a Blue Moon
This Once in a Blue Moon lesson plan also includes:
Students explore mathematical modeling. In this secondary mathematics lesson, students investigate the mathematics behind the phrase "once in a blue moon." Students use mathematics to track the occurrences of blue moons over a period of times.
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Tilt of Earth's Axis and the Four Seasons
Geometry meets earth science as high schoolers investigate the cause and features of the four seasons. The effects of Earth's axis tilt features prominently, along with both the rotation of the earth about the axis and its orbit about...
9th - 11th Math CCSS: Designed
Trigonometry Word Problems (Part 1)
Sal starts to solve a trigonometric word problem of a wayward ship captain who veers off course and once aware of his predicament, needs to know how far he is from his destination. Instead of using the Law of Cosines in his solution, Sal...
4 mins 10th - 12th Math