There are three main organisers of English language mathematics competitions for which questions sets are easily available on line, namely the UKMT (UK Mathematical Trust), the AMC (American Mathematics Competition) and UOW (The University of Waterloo, Canada).

Below are links to external websites that hold questions sets and answers for these competitions:

1. For students in year 10:
   1. UKMT Intermediate Challenge (25 MCQs in 60 minutes);
   2. AMC 10 (25 MCQs in 75 minutes);
   3. UOW Cayley (25 MCQs in 60 minutes);
   4. UOW Galois (4 questions in 75 minutes).
2. For students in year 11:
   1. UKMT Intermediate Challenge (25 MCQs in 60 minutes);
   2. AMC 12 (25 MCQs in 75 minutes);
   3. UOW Fermat (25 MCQs in 60 minutes);
   4. UOW Hypatia (4 questions in 75 minutes).