## Search Results

### Fraction Game

3-5, 6-8
This applet allows students to individually practice working with relationships among fractions and ways of combining fractions.

### Histogram Tool

3-5, 6-8, 9-12
This tool can be used to create a histogram for analyzing the distribution of a data set using data that you enter or using pre‑loaded data that you select.

### IGD: Area of a Parallelogram

3-5, 6-8
This applet will show you how to divide the parallelogram into pieces, arrange them together to form a rectangle, and then use the formula for the area of a rectangle to find the area of the parallelogram.

### IGD: Area of a Rectangle

3-5, 6-8
Use this tool to show how the side lengths of a rectangle affect the rectangle's area.

### IGD: Area of a Triangle

3-5, 6-8
Use this tool to prove how to find the area of a triangle.

### 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.

### Triangle Inequality

6-8, 9-12
This activity illustrates the Triangle Inequality and the conditions necessary for a triangle to be formed from three straight lines.

### 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.