MathCastleCompetition practice
Castle Cup
Individual Round
MathCastle’s own invitational: two original fifteen-problem papers of fun, tricky problems, ramping from an approachable start to AIME-level finishers. Worked solutions throughout.
How a paper runs
15 problems · 45 minutes
- This round has 15 problems. You have 45 minutes.
- No calculators. Write your final answer in the blank beside each problem.
- Answers must be simplified, with fractions in lowest terms.
Practice papers
An original MathCastle competition.