We have compiled a collection of internet resources that can be useful in teaching particular aspects of numeracy. If you know of resources you would like us to add to the collection, just use the simple submission form to tell us about them.
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Classic Fermi Questions
This site works out the solutions to the questions, &amp;amp;quot;How many Piano tuners are there in NY City?&amp;amp;quot; and &amp;amp;quot;how many jelly beans ...
Article that explains how to calculate percent change. Also provides example relating to murder statistics.
Percentage Change Calculator
This calculator allows students to type in an old and new number and calculate the percent change. This site also offers a good percent change tutorial.
Grade 8 Easy Worksheet
This site allows teachers to customize their own worksheets on a broad list of math concepts. Percent change worksheets are under 8.3i.
This site explains what Fermi Questions are (and provides examples of them). This site also contains links to other Fermi Question sites.