## Search Results

### 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.

### Trigonometric Graphing

9-12
Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions.

### A Geometric Investigation of (a + b)2

9-12
This interactive demonstrates why (a + b)2 = a2 +2ab + b2.

### 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.

### IGD: Dropping a Perpendicular Line

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

### 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.