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Technology 
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A Better Fire!

Variance & range (Math 7) 
Java Applet 
Tool 

[3]

See the chaos theory played out in forest fire simulations.
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Analyzing Temperature Trends f...

Variance & range (Math 7) 
Excel 
Lesson Plan 

[1]

Students will collect temperature data from the data archive of the National Climatic Data Center website. They will choose three cities with similar latitude or longitude and compare the average tem...
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Fire!, Probability, and Chaos

Variance & range (Math 7) 
Java Applet 
Lesson Plan 

[0]

Utilizes and reinforces concepts of probability, mean, line plots, experimental data, and chaos in analyzing a forest fire simulation.
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Mean, Median, and Mode

Variance & range (Math 7) 
Java Applet 
Lesson Plan 

[0]

The goal of this lesson is to introduce the concepts of mean, median and mode and to develop understanding and familiarity with these ideas.
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Measures of Spread

Variance & range (Math 7) 
Flash 
Tool 

[0]

Students can load, modify, and plot histograms for six datasets, as well as compute the mean, median, interquartile range, and standard deviation. They can observe the effects of altering the dataset...
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Median and Quartiles

Variance & range (Math 7) 
Flash 
Tool 

[0]

Investigate averages with this height graph: line the people up by height, mark the quartiles, and use the yellow boxes to read off the heights for lower and upper quartiles, and the median.
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Standard Deviation Calculator

Variance & range (Math 7) 
Flash 
Tool 

[0]

Students often experience difficulty with the concepts of variance and standard deviation. This tool presents these concepts both visually and interactively. It provides an example using a given five ...
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StemandLeaf Plots

Variance & range (Math 7) 
Java Applet 
Lesson Plan 

[0]

Introduces students to stemandleaf plots and calculating the mean, median, and mode from the plots.
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