by HKIS-Math, Apr 17, 2025, 1:12 AM
Date & Time:
Sunday April 20th, 2025, 6:30pm EDT (5:30pm CDT, 3:30pm PDT)
The total duration is expected to be 3.5~4.5 hours.
Host: Dr. Jiangang Yao
Dr. Yao was fascinated with mathematics as a child and started his involvement with mathematical olympiad since then. He won the gold medal with full marks in the 35th International Mathematical Olympiad and got math PhD degree from UC Berkeley. He has been the coach for mathematical olympiad at various levels for 30 years, and has written a few popular mathematical olympiad books in Chinese.
Official Participants:
Students who have been invited to the 2025 MathCounts National Competition. Every student will receive a unique three-digit number after registration so that participation can be anonymous, though participants are welcome to show real names as well.
Guests:
Math fans who want to solve interesting math olympiad problems.
Schedule:
6:30pm ~7:30pm: 12 problems with difficulty levels similar to Mathcounts National Sprint and Target will be presented and discussed, and official participants will be given points based on speed (10 pts for the first correct answer, 9pts for 2nd correct answer, etc, 1pt for 10th correct answer.)
7:45~9:00 pm: Top 12 official participants will be identified from the first round to attend the 1-1 matchups. (#12 v.s. #5 with winner A, #11 v.s. #6 with winner B, #10 v.s. #7 with winner C, #9 v.s. #8 with winner D, #4 v.s. A, #3 v.s. B, #2 v.s. C, #1 v.s. D). In each matchup, 5 questions will be presented and the participant who first successfully gets 3 questions correct is the winner. In this round, 5x8 =40 problems will be played.
9:15~10:00pm: Two semi-finals, bronze determination, and final. Each 1-1 matchup will have 7 questions, and the participant who first successfully answers 4 questions is the winner. In this round, 4x7=28 problems will be played. The Top 4 contestants will receive awards.
All guests can submit the answers to all the questions as well. Those who submitted correct answers fast will be appraised.
2022 40 mathletes, 2023 64 mathlets, and 2024 99 mathlets for Mathcounts National attended this practice. We are looking forward to have more students participate this year.
Here is the link for registration:
https://forms.gle/xoRNMLrRnn7KjFiUA