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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Results 1 - 10 of 144 matches

Plop It!: Mean, Median, Mode

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

Mcgraw-Hill: Mean-Median-Mode

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

Investopedia: Weighted Averages

Very simple explanation of how to calculate a weighted mean.

Mathwords: Weighted Average

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

Calculating Weighted Averaged in Spreadsheets: SUMPRODUCT Command

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

Wolfram Math World: Weighted Mean

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

Overview of Chart Types and Their Uses

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

Pie Chart Uses and Example

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

Carolyn's Unit on Graphing

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

Statistics Canada: Using Graphs

This site provides guidelines for making and using graphs, going into greater detail than the other sites.

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