Numbers index

  10001001   Binary Card Game   10010001  

Binary Numbers --- Introduction --- Addition --- Multiplication --- Counter --- Card game - 1 - 2 - 3

Choose a number from 1 to 60. You will find it on one or more of the cards below. Click on all the cards with your number on. (Don't click on the number because that would make it too easy for the computer!) If you make a mistake, click on the card again. Make sure you have clicked on every card with your number on or it won't work. Then click on the button to reveal your number. How does the computer do it?

Chosen cards        

See how to do it
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