Teach the Earth > Teach the Earth > Quantitative Activities

Quantitative Skills, Thinking, and Reasoning Activities


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A Monarchy Deposed: The Demise of the Monarch Butterfly
Daniel Abel
Monarch butterflies (scientific name: Danaus plexippus) migrate annually to forests in central Mexico from Canada and California. Those surviving the 1200 - 2800 mile migration overwinter in Mexico. In this activity, students will learn about the conservation biology of monarch butterflies, threats to their survival, the implications of their potential extinction, and ways to protect the species.

What is the Volume of a Debris Flow?
chuck connor
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).

How Far is Yonder Mountain? -- A Trig Problem
Len Vacher, Dept of Geology, University of South Florida
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.

Age Dependency Ratios: Numbers in Context
Eric Gaze, Bowdoin College
This activity involves computing dependency ratios and interpreting these numbers in context.

Understanding Exponential Growth in the Context of Population Models
Corri Taylor, Wellesley College
This set of short assignments gives students practice with exponential models in the context of the growing human population.