19. Boring Pixels!/Using numbers
Required material: squared notebook, or 5 × 5 chequered board drawn on a piece of paper, felt-tip pen. To represent the code of the drawing you can use a pen and paper.
Try to make a chequered design and represent it with RLE encoding. The size of the design is equal to the number of squares, but what is the size of its RLE representation?
If you are interested in more unplugged activities, or activities in different programming languages, robotics, micro:bit etc., check out the EU Code Weeks “Learning Bits” with video tutorials and lesson plans for primary, lower secondary and upper secondary schools. Also have a look at the EU Code Week resources page for learners and teachers.