White Bear Lake in Minnesota has been leaking: it's connected to an aquifer and as groundwater use for homes and industry has increased, the lake has been draining away into the ground! This is a topic that's been in the news a lot, because lakeside
Two spreadsheet activities for use in a computer lab or outside of class, creating and critiquing a trigonometric model for ocean level at Point Reyes, California. Apply trigonometry knowledge and then use numerical methods for rate of change. Real
I developed this (and other) worksheets to tie calculus into the year of the Mathematics of Planet Earth, 2013. This worksheet asks students to apply their knowledge of linear functions, rate of change, and percentages to figuring out how much
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