The Computing at School newsletter is published three times a year. It is full of practical ideas for teachers of computing in primary and secondary schools, with articles contributed by a number of CAS members. With input from teachers, academics, advisors and industry professionals, it provides a varied source of...

This activity shows how to accomplish a simple, but nevertheless seemingly impossible task -making a fair random choice by flipping a coin, between two people who don’t necessarily trust each other, and are connected only by a telephone. The resource begins with a detailed explanation of the activity and...