The Toymaker's Mysterious Math Carnival

The Turtle Arcade

Hello, toymakers! This is where I will be posting all the new toys for the Mysterious Math Carnival. Your job as a junior apprentice is to build the toys and let me know how they work.

Email your findings to

Click here to download page 1

Click here to download page 2

Click here to download page 3

Click here to download page 4

These speedy little turtles roll on marbles along the number line. Add up what number the turtles stop at. The first turtle to reach 100 wins. But be careful, if your turtle goes past ten then subtract that number.

Or you can roll a turtle and multiply that number. Have fun!


What other games can you invent?

Photos courtesy of Dr. Marcia Popp.


All material © Marilyn Scott-Waters

Do not distribute without permission.