The Challenge consists of a First Round and a Final Round, with separate papers for Grade 4, 5, 6 and 7. Each paper is an hour long and consists of 20 multiple choice questions.
The First Round is written in schools on a specific date determined by the organisers at a time as arranged by the school. The papers are distributed only by e-mail to schools through Regional Organisers. Schools make copies of the papers for their learners. Learners who score at least 50% in the First Round qualify for the Final Round.