About the competition
The Computational and Algorithmic Thinking (CAT) competition, organised by the Australian Maths Trust, challenges students to use logical reasoning, recognise patterns and develop algorithms to solve unfamiliar problems. It provides opportunities to identify students with strong computational thinking skills. No programming experience is required.
Competition details
Eligibility
Students in Years 5–12
Competition dates
18–20 May 2027
Duration
60 minutes
Entry fee
$9.30 per student; bundle discounts may apply
Delivery
Online or printed papers
Format
Six multiple-choice questions and three three-part integer-answer questions; optional prize questions for Intermediate and Senior divisions
Calculators
Pocket or scientific calculators permitted
Registration deadlines
Online entries
14 May 2027
Printed papers
30 April 2027
International printed papers
23 April 2027
Preparation resources
- Official CAT information, sample problems and solutions
- Official guidance for school competition coordinators
Organiser: Australian Maths Trust
Always verify dates, eligibility and fees with the organiser before registering.