Click a card to turn it over.

front of sixteens place card; 16 dots.
back of sixteens place card; no dots.
front of eights place card; 8 dots.
back of eights place card; no dots.
front of fourss place card; 4 dots.
back of fourss place card; no dots.
front of twos place card; 2 dots.
back of twos place card; no dots.
front of ones place card; 1 dot.
back of ones place card; no dots.
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Credits (Just like a movie!)

Developed by Bob Brown
Background by V. Hartikainen

This page works with the Introduction to Binary Numbers Teachers' Kit, but please use it for anything interesting or fun!

Much as I hate to say anything browser-specific, this page requires a modern browser.