Calculator
29K |
Do
arithmetic with Roman numerals using this
calculator. |
Coins
39K |
Play a
coin-tossing game. The results may puzzle you. |
Color
Sense
17K |
Try
to predict the turtle's actions as it
"senses" different colors. |
Escher
72K |
Explore
Escher-style tessellations. |
Flowers
11K |
Watch
the turtles draw curves! |
Geoboard
12K per page |
Experiment
with patterns in numbers. |
Inspiral
9K |
Investigate
this open-ended problem by trying to find
patterns. |
Kaleidoscope
22K |
It's
interactive! Place the mirrors anywhere and watch
beautiful patterns emerge. |
Math
Billiards
38K |
The
billiard-ball finds the Greatest Common Factor
for two numbers. |
Mazes
45K |
Create and
solve random mazes. |
Polygons
8K |
Rediscover
geometry with the Logo turtle. |
Recursive
Designs
20K |
Discover
interesting recursive designs. |
Rugs
428K |
Look for
patterns in these ancient textile designs. |
Sierpinski Polygons
39K |
Experiment
with the effects of variables to form fractals. |
Spirals
19K |
Experiment
with the effects of variables to form spirals. |
Starry Night
8K |
Make the stars
come out randomly on this digital sky. |
Tangrams
104K |
Solve these
tangram puzzles. |