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### 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.

### Geometric Solids

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

This tool allows you to manipulate various geometric solids and investigate their properties.### Tessellation Creator

3-5, 6-8

Use this applet to create patterns to cover the screen using regular polygons.### Cube Nets

3-5, 6-8

This applet allows you to examine various two-dimensional figures to determine which ones can be folded into a cube.### Area Tool

6-8

Use this tool to determine how the length of the base and the height of a
triangle, parallelogram, or trapezoid can be used to determine its area.### 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.### Area of Trapezoids

6-8

Investigate how changes in the base and height of a trapezoid affect its area.### Area of Parallelograms

6-8

This applet shows the relationship between the area of a parallelogram and the lengths of its sides.### Isometric Drawing Tool

3-5, 6-8, 9-12

Use this interactive tool to create dynamic drawings on isometric dot paper.### 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.