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# Quantitative Skills Show all Quantitative Skills

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Understanding Radioactivity in Geology: The Basics of Decay part of Quantitative Skills:Activity Collection
Christina StringerUniversity of South Florida, Tampa FL 33620 This activity was developed for Spreadsheets Across the Curriculum . National Science Foundation, DUE 0442629.
PowerPoint module leading students through creation and manipulation of spreadsheet to forward model an example of exponential decaythe number of remaining unpopped kernels of popcorn in a bag of popping popcorn.

Westward Ho! How Far is Yonder Mountain part of Quantitative Skills:Activity Collection
Len Vacher, Dept of Geology, University of South Florida
PowerPoint module leading students through development of a spreadsheet to calculate the distance of a mountain peak from coplanar vertical angles shot from two points a known distance apart.

Question of the Day: Efficiency of Food Production part of Starting Point-Teaching Entry Level Geoscience:Interactive Lectures:Question of the Day
The figure below shows a simple food chain for land production. How much solar energy does a vegetarian utilize when eating 1,000 calories of plant material? Use the information from the figure to calculate this. ...

A Look at High School Dropout Rates: Average Rates of Change and Trend Lines part of Spreadsheets Across the Curriculum:General Collection:Examples
Frank Wilson
Spreadsheets Across the Curriculum module. Students build a spreadsheet to calculate an average rate of change and compare it to the slope of the trend line on a scatter plot of a real-world data set