Step one: algorithms…..A set of clear instructions/debugging
Give out a set of images suitable for the age and ability of the child and ask them to conceal the image but describe it to their partner for them to draw.
Ask pupils to navigate another child around the classroom, hall, playground. Blindfolds could be used (if suitable).
Design a garden or playground for use with people with buggies or in a wheelchair. Can they access all the areas?
A range of simulations can be found on :
program your teacher to make a jam sandwich
Algorithm activity from CAS...crazy characters
The brilliant BBC resources are clear and easy to follow. This is a debugging video.
The brilliant Max Wainewright has devised a great A-Z of computing terms. Click on the computing city icon to have a look.