# Quantitative Skills, Thinking, and Reasoning Activities

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# Resource Type: Activities

# Special Interest: Quantitative

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## Education

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Understanding Radioactivity in Geology: The Basics of Decay

Christina Stringerâ€”University 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 decayâ€”the number of remaining unpopped kernels of popcorn in a bag of popping popcorn.

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Westward Ho! How Far is Yonder Mountain

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

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. ...

Grade Calculation

Semra Kilic-Bahi, Colby-Sawyer College

Spreadsheets Across the Curriculum module. This activity introduces the student to the concept of weighted averages by asking them to calculate course grades and grade point averages.

A Look at High School Dropout Rates: Average Rates of Change and Trend Lines

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

What's the Difference? -- Calculating the difference in wages for a bookkeeper (AA degree) vs. a cashier (no college degree)

Sun Yilin

Spreadsheets Across the Curriculum module. Students build a basic spreadsheet to calculate the accumulating difference in wages between two jobs in the context of deciding to get an AA degree.