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### Interactive Calculus Tool

9-12

Investigate tangent lines, derivatives, and area under a curve with this interactive applet.### Limits

9-12

In this activity, you can see a representation of several geometric series and their limits.### Mean and Median

6-8, 9-12

This applet allows the user to investigate the
mean, median, and box-and-whisker plot for a set of data that they create.### Patch Tool

Pre-K-2, 3-5

Use this tool to design a pattern using geometric shapes.### Diagonals to Quadrilaterals

9-12

This activity allows you to discover what types of quadrilaterals can be
formed when the diagonals meet in various ways.### State Data Map

3-5, 6-8, 9-12

Use this color-coding applet to represent state information, such as population, area, and gasoline usage.### Shape Sorter

6-8

Use this applet to sort shapes according to their properties using Venn diagrams.### Canada Data Map

3-5, 6-8, 9-12

Information can be represented in many ways, and
this applet allows the user to represent data about the provinces and
territories using colors.### Shape Tool

Pre-K-2, 3-5, 6-8

This tool allows you to create any geometric shape
imaginable. Squares, triangles, rhombi, trapezoids and hexagons can be created,
colored, enlarged, shrunk, rotated, reflected, sliced, and glued together.### Trigonometric Graphing

9-12

Explore the amplitude, period, and phase shift by
examining the graphs of various trigonometric functions.