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Quantitative Skills

showing only Estimation Show all Quantitative Skills

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Geologic Time Calculations part of Quantitative Skills:Activity Collection
Francisco San Juan, Elizabeth City State University
Radiometric age determination using parent/daughter composition and a radiometric decay curve.

Reading Topographic Maps and Calculating Map Scale part of Quantitative Skills:Activity Collection
Leslie Kanat, Johnson State College
Use a topographic map to deliniate a watershed, draw a map bar scale, and calculate a map ratio scale.

Machines that change climate: Porsche 911 Turbo vs. Toyota Prius part of Quantitative Skills:Activity Collection
Kevin Harrison, McDaniel College
This problem illustrates how consumer decisions can influence carbon dioxide levels in the atmosphere, how to make back-of-the-envelope calculations, and demonstrates the power of exponential growth.

How Big is a Trillion? part of Pedagogy in Action:Library:Teaching Quantitative Reasoning with the News:Examples
Stuart Boersma, Central Washington University
Perhaps the first skill needed for successful quantitative reasoning is the ability to understand a single number. Newspaper headlines over the last year have used some amazingly large figures when discussing the ...

How many sand grains on a beach? part of Quantitative Skills:Activity Collection
Alan Whittington, University of Missouri-Columbia
Short exercise designed to give students practice in determining what information is needed to answer a question, estimating an answer, and calculating an answer (including unit conversions and scientific notation). Emphasizes the relevance of large numbers to society (population, debt, etc).

How Big is Your Breakfast Footprint? part of SISL:2012 Sustainability in Math Workshop:Activities
Ben Galluzzo, Shippensburg University
Calculation of a carbon footprint resulting from common breakfast choices illustrates the importance of contextualization.

Modeling: (1) Revenue Neutral Carbon Taxes; (2) Accelerated atmospheric C02 concentrations part of SISL:2012 Sustainability in Math Workshop:Activities
Martin Walter
Design a revenue neutral carbon tax and a plan for implementation; together with a model for what happens if we do not institute such a tax-system.

Choosing Between Home Appliances: Benefits to the Planet and Your Wallet part of SISL:2012 Sustainability in Math Workshop:Activities
Corri Taylor, Wellesley College
Students research various options for new appliances and make purchasing decisions based not merely on purchase price, but also on energy efficiency, which has implications for the planet AND for longer-term personal finances. Students calculate the "payback period" for the more energy efficient appliance and calculate long-term savings.

Economics of installing Solar PV panels: is it worth it to the individual? part of SISL:2012 Sustainability in Math Workshop:Activities
Martin Walter
We show that it is economical for an individual to install solar photovoltaic panels in Denver, Colorado; and this is a sustainable strategy for society at large.

Energy Cost of Engine Idling part of SISL:2012 Sustainability in Math Workshop:Activities
Ben Fusaro
This is an open-ended but elementary modeling exercise about idling energy behaviors and impacts.



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