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### Adjustable Spinner

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

Use this tool to create a spinner to examine experimental and theoretical outcomes.### Bobbie Bear

Pre-K-2, 3-5

Use counting strategies to make outfits for Bobbie Bear with different colored shirts and pants.

Click here to play Bobbie Bear in Spanish.

### 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.### Patch Tool

Pre-K-2, 3-5

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

3-5

Use this applet to determine the volume of a box by filling it with cubes, rows of cubes, or layers of cubes. Determine the surface area as well by using the box's net.### Factor Game

3-5, 6-8

Exercise your factoring ability against a human or the computer in this Calculation Nation game.### Fraction Game

3-5, 6-8

This applet allows students to individually practice working with relationships among fractions and ways of combining fractions.### Area of Trapezoids

6-8

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