Graphing paper, pencil, ruler, protractor, and compass, all get replaced or supplemented with this dynamic geometry application. Here, you can create, move, and scale many different shapes, as well as, explore and change their properties...

Save the yodeler from falling off the top of the mountain using basic math skills. Have endless fun while developing fluency with addition, subtraction, multiplication, and division.

The Applet assists the user in questions which specify a probability and ask for the relevant range of raw scores or z scores. The program will also transform from raw to z scores and back again, if needed.