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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This website contains eight maps showing human population density starting in 1 AD. Maps can be viewed as large single maps or as an animation of population change through time. The maps are from a ...

This site lets students add data to a graph. The site then shows students where the mean, median, and mode are on the graph.

This site shows three different graphs (no skew, right skewed, left skewed) and how mean, median, and mode react to each graph.

Very simple explanation of how to calculate a weighted mean.

This quick explanation uses an example very near and dear to a students heart: grades!

This site shows students how the average command fails in excel when calculating the weighted mean. It tells students, instead, to use sumproduct.

This site explains how to calculate weighted means in a more sophisticated manner, e.g., summations.

This site explains what each type of chart does and when it should be used. Examples are given.

This 1 page (.pdf) explanation tells students what goes into making a pie chart successful.

Homepage for an introduction to line graphs, bar graphs, scatter plots, and pie charts.