Index Numbers: Gasoline and Inflation -- Why We Need the Consumer Price Index part of Examples
Spreadsheets Across Curriculum module. Students build spreadsheets to examine the price of gasoline, 1978-2005. QL: using ratios and proportions to make comparisons.

Simple vs. Compound Interest -- Spreadsheeting the Difference part of Examples
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.

Creating a Household Budget part of Examples
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.

Driving Across Town for Cheaper Gas -- A Cost/Benefit Analysis part of Examples
Spreadsheets Across the Curriculum module. Students build a spreadsheet to explore the trade-offs between "bargain-priced" gas vs. the extra mileage needed to get it. A modeling problem.

Understanding Mortgage Payments part of Examples
Spreadsheets across the Curriculum module. Students build Excel spreadsheets to calculate monthly mortgage payments and evaluate how much of their payment is applied to the principle and interest.

Minimizing Cost while Meeting Nutritional Needs -- An example of linear programming part of Examples
Spreadsheets Across the Curriculum module. Students use Excel Solver to find the linear combination of servings of two specified foods that minimize cost while meeting nutritional requirements.

What is the Volume of a Debris Flow? part of Examples
SSAC Physical Volcanology module. Students build a spreadsheet to estimate the volume of volcanic deposits using map, thickness and high-water mark data from the 2005 Panabaj debris flow (Guatemala).

Investing for Retirement part of Examples
Spreadsheets Across the Curriculum module. Students use the Compound Interest Equation and an annuity equation to calculate the growth of investments over time.

Vacation! How Long and How Far? -- A Geological Circuit of National Parks in the Colorado Plateau part of Examples
Spreadsheets Across the Curriculum module/Geology of National Parks course. Students estimate travel times and costs of a driving/camping trip to visit national parks in the Colorado Plateau.