National Numeracy Network > Teaching Resources > QR Websites

QR Websites

We have compiled a collection of internet resources and activities that can be useful in teaching particular aspects of numeracy. If you know of websites you would like us to add to the collection, just use the simple submission form to tell us about them. You can also share activities of your own with other faculty interested in QR.


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Fermi Questions

This site explains what Fermi Questions are (and provides examples of them). This site also contains links to other Fermi Question sites.

Fermi's Earth Circumference

This site works out the solution to the question, "What is the circumference of the Earth?"

Classic Fermi Questions

This site works out the solutions to the questions, "How many Piano tuners are there in NY City?" and "how many jelly beans ...

Fermi Estimates II: Overview

This site provides worked out solutions, and provides examples of good and poor worked out solutions.

Fermi Problems

This article explains (in great detail!) what Fermi Questions are and why they are important.

Ping-pong Anyone?

This worksheet explains how to go about finding a solution to a ping pong ball Fermi Question.

A Garden of Fermi Problems at Hampton University

An introduction to Fermi questions with a list of examples. This site also provides a worked out solution to the Chinese tea question and links to other sites.

Fermi Questions Guide

Provides advice on rounding in estimation problems through various Fermi questions with detailed solutions.

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