Preparation To make Binary Code Crackers , cut the egg cartons in half lengthwise.
Procedure Ask youngsters to pair off.
The first rule in deciphering a code is to look for patterns. Explain that computer language is also binary. Hand out a Binary Code Cracker and reproducible to each pair. Explain that this simple device will help them understand how to crack the binary code. Take the youngsters through the example, reminding them that when they write out the binary numbers, they can drop all of the zeros on the left.