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## High School (9-12)

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Simple vs. Compound Interest -- Spreadsheeting the Difference
Gary Franchy, Southwestern Michigan College
Spreadsheets Across Curriculum module. Students build spreadsheets to tabulate, graph and compare the future value of investments with compound vs. simple interest. Spreadsheet level: beginner.

A Look at High School Dropout Rates: Average Rates of Change and Trend Lines
Frank Wilson, Chandler/Gilbert Community College
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

Conservation of energy of a rollercoaster using high speed video
Peter Bohacek
A high speed video clip of a roller coaster is used as an example of conservation of mechanical energy. Student use the video to determine whether mechanical energy is conserved while the roller coaster rolls up, and then back down a hil.

Calzones vs. Mini-Pizzas -- A Linear Programming Problem
J. M. Pogodzinski
Spreadsheets Across the Curriculum module. Students build a spreadsheet to find the combination of mini-pizzas and calzones that maximizes revenue given constraints on labor time and baking time.

The Digital Divide: A Data Analysis Activity Using Subtotals
Maryann Allen, Colby-Sawyer College
Spreadsheets Across the Curriculum module. Students analyze a given data set to understand the "Digital Divide" by means of percentages and the Subtotal tool in Excel.

Nitrate Levels in the Rock Creek Park Watershed, Washington DC, 1: Measures of Central Tendency
Module by: Mark C. Rains and Len Vacher, University of South Florida Marian Norris, National Parks Service, Center for Urban Ecology Cover Page by: Len Vacher and Denise Davis, University of South Florida
Spreadsheets Across the Curriculum module/Geology of National Parks course. Students examine the histogram of a positively skewed data set and calculate its mean, median and mode.

The "Perfect" Date: Ranking and Rating Decisions with a Spreadsheet
Semra Kilic-Bahi, Colby-Sawyer College
Spreadsheets Across the Curriculum module. Students build a spreadsheet to rank and rate potential dates by calculating weighted sums of a variety of attributes.

Nitrate Levels in the Rock Creek Park Watershed, Washington DC, 2: Variability
Module by: Mark C. Rains and Len Vacher, University of South Florida Marian Norris, National Parks Service, Center for Urban Ecology Cover Page by: Len Vacher and Denise Davis, University of South Florida
Spreadsheets Across the Curriculum module/Geology of National Parks course. Students calculate standard deviation and z-values to examine a possible outlier in a positively skewed data set.

Creating a Household Budget
Sara Baldwin, South Seattle Community College
Spreadsheets Across the Curriculum module. Students track their expenses and use Excel to compare them to Seattle/Tacoma averages. Developed for adult students taking English as a Second Language.