IMC problems are composed by experts of the participating countries, with each expert proposing 5 problems for each category. Earlier, the test problems were selected in the leaders’ meeting. Now, they are selected and modified by the IMC test affairs committee.

The individual contest problems focus on graphical analysis, logical thinking and language comprehension [expression] abilities. It challenges students’ math wisdom and overall potential.

In contrast, the team contest problems usually incorporate concepts from daily life and are selected to be interesting. They challenge students’ cooperation and problem solving abilities.

IMC problems are distinguished from other problems in being relevant, original, creative, interesting, and challenging for teen math lovers to experience the pleasure of thinking and enjoy the beauty of math.

You are welcome to practice with them, discuss them, and post them elsewhere, but please include attribution to the IMC.

Notice: Individual students, nonprofit libraries, or schools are permitted to make fair use of the IMC papers and its solutions. Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the IMC Executive Board. Requests for such permission should be made by e-mailing Mr. Wen-Hsien SUN ccmp@seed.net.tw

2023 Problem-English Version

	Categories		Answers
BIMC 2023 Keystage 3 (IWYMIC)-English	Individual	Team	Answers
	Categories		Answers
BIMC 2023 Keystage 2 (EMIC)-English	Individual	Team	Answers

2022 Problem-English Version

	Categories		Answers
IIMC 2022 Keystage 3 (IWYMIC)-English	Individual	Team	Answers
	Categories		Answers
IIMC 2022 Keystage 2 (EMIC)-English	Individual	Team	Answers

2021 Problem-English Version

	Categories		Answers
IIMC 2021 Keystage 3 (IWYMIC)-English	Individual	Team	Answers
	Categories		Answers
IIMC 2021 Keystage 2 (EMIC)-English	Individual	Team	Answers

2019 Problem-English Version

	Categories		Answers
2019 IWYMIC-English	Individual	Team	Answers
	Categories		Answers
2019 EMIC-English	Individual	Team	Answers