Texas Instruments
Sands of Time
Twelfth graders explore an application of integration. A calculus lesson prompts class members to find the length of the day where they live during the winter and summer solstice. Using data relating to the solstices at various...
Curated OER
Working with Sinusoidal Models
In this sinusoidal model worksheet, students use the sinusoidal model to solve word problems about the hours of daylight in Anchorage, Alaska. Students complete 5 problems.
Curated OER
Navigation
Students study the basic methods for finding one's position on Earth. Latitude can be deduced from the height above the horizon of the pole star or of the noontime Sun, while longitude requires an accurate clock giving universal time.