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DynamicPaper ICON
Data Analysis and Probability

Dynamic Paper

Pre-K-2, 3-5, 6-8, 9-12

Need a pentagonal pyramid that's six inches tall? Or a number line that goes from ‑18 to 32 by 5's? You can create all those things and more! Place the images you want, then export it as a PDF or as a JPG image.

GeometricSolids
Geometry

Geometric Solids

Pre-K-2, 3-5, 6-8, 9-12
This tool allows you to manipulate various geometric solids and investigate their properties.
IGDDroppingAPerpendicular
Geometry

IGD: Dropping a Perpendicular Line

9-12
Use this applet to show how to drop a perpendicular from a point onto a line.
TriangleClassification
Geometry

Triangle Classification

9-12
Use this applet to show how the placement of the third vertex of a triangle affects the classification of that triangle.
IGDPerpendicularBisector
Geometry

IGD: Perpendicular Bisector

9-12
Use this tool to demonstrate how to draw a perpendicular bisector.
IGDSimsonLineOrthocenter
Geometry

IGD: Simson Line - Orthocenter

9-12
Use this tool to explore how the Simson line of a triangle is related to the orthocenter.
IsometricDrawingTool ICON
Geometry

Isometric Drawing Tool

3-5, 6-8, 9-12
Use this interactive tool to create dynamic drawings on isometric dot paper.
ScaleFactor
Geometry

Scale Factor

6-8, 9-12
Use this applet to investigate how changes in the scale factor influence the ratio of perimeters and the ratio of areas between two figures.
PiFight ICON
Geometry

Pi Fight

6-8, 9-12

Become comfortable with using both radians and degrees. 

IncenterIncircle ICON
Geometry

Incenter-Incircle

9-12

This applet allows for the discovery of the incenter and incircle of a triangle.