You choose the type of game and the level of play. Along with the fun interface smiley faces and bright colors kids get a handson appreciation for place value and number construction. Use the Java simulation to explore various possibilities, and try to come up with the answer before moving to the solution page. Euclid's Game - If you're having a bit of difficulty understanding the Euclid's algorithm and the notion of the greatest common divisor of two integers, click over to this Javapowered applet for a little computer play and links to plenty of background pages. Interactive Nim - In this interactive version of the math game with many versions, you try to beat the computer by steering play so that you remove the last token from the game board.
Success depends upon knowing the losing positions expressed as three numbers.
In this numberguessing game, you think of a number less than 100, and then the computer guesses it after a series of questions. The technical explanation exposes the math behind the magic. After testing your abilities, explore solutions that use the graph theory and barycentric coordinates. Contest - Kids in grades 1 through 8 can answer gradespecific math questions, receive points and compete for cash prizes at this site. The Cash Register Game - Learn how to make change in this realworld simulation that lets you choose an easy level to make change for one dollar or a hard level to make change for 100 dollars.