Binary
A set of 6 cards for a simple magic trick. Understanding the trick requires knowledge of binary.
This is a set of worksheets that the student can use to practice counting/converting numbers in octal.
Worksheets to encode black and white images as binary numbers.
"Crossword" puzzles where the answers are binary numbers and the puzzle grid forms an image when complete.
Computers (General)
An activity for 3 students to act out the various parts of a computer: CPU, ALU/Memory and Display.
Internet
An activity for a group of students to act out the various parts of the internet: websites, routers, nameservers, ISPs and home computers.