AMC counting intersections problems
15 past AMC problems use counting intersections. 7 come from the AMC 10 and 8 from the AMC 12.
Picks a problem you have not seen, at about the difficulty you are handling.
Problems
Newest contests first. Every problem opens with its answer choices, hints and a worked solution.
- 2025 AMC 12B · Problem 24
- 2021 Fall AMC 10B · Problem 21
- 2021 Fall AMC 12B · Problem 19
- 2019 AMC 10A · Problem 10
- 2019 AMC 10A · Problem 14
- 2019 AMC 12A · Problem 8
- 2018 AMC 12B · Problem 24
- 2014 AMC 12A · Problem 24
- 2013 AMC 10A · Problem 25
- 2012 AMC 12A · Problem 25
- 2010 AMC 10A · Problem 22
- 2007 AMC 12A · Problem 24
- 2002 AMC 10B · Problem 18
- 2002 AMC 12B · Problem 14
- 2001 AMC 10 · Problem 4
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