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Subject: Mathematics
Title: Measuring Shadows      Add Bookmark
Description: In this Science NetLinks lesson, students determine the pattern (length and direction) of shadows cast by sunlight during a several month period. They develop an interpretation of the daily and seasonal patterns and variations observed.
Thinkfinity Partner: Science NetLinks
Grade Span: 6,7,8



Subject: Mathematics
Title: Histogram Tool      Add Bookmark
Description: This student interactive, from Illuminations, allows students to create a customized histogram as well as display pre-set histograms for various data sets. The tool also allows students to see a frequency table, adjust the interval, and view the median and standard deviation of a data set.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5,6,7,8,9,10,11,12



Subject: Mathematics
Title: The Centroid and the Regression Line      Add Bookmark
Description: This lesson, one of a multi-part unit from Illuminations, provides students with the opportunity to investigate the relationship between a set of data points and a curve used to fit the data points, using a computer-based interactive tool. Using the Regression Line Applet, students investigate the centroid of a data set and its significance for the line fitted to the data.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



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