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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.### 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.### 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.### 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.### Line of Best Fit

6-8, 9-12

Use thisĀ activity to practice how to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit.