How Far is Yonder Mountain? -- A Trig Problem part of Pedagogy in Action:Library:Teaching with SSAC:Examples
Spreadsheets Across the Curriculum module. Students use Polya's problem-solving heuristic to find the distance of a peak using vertical angles sighted from a wagon train heading toward the peak.

What is the Volume of a Debris Flow? part of Pedagogy in Action:Library:Teaching with SSAC: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).

Tale of Two Cities (and two hurricanes): New Orleans part of Pedagogy in Action:Library:Teaching with SSAC:Examples
Students use spreadsheets to analyze the reasons why New Orleans has subsided in the past 250 years.