PiMC 2018
Problems and Solutions
First Round
Final Round
Individual Test
Team Test
Team Finals
Results
Ranks are determined based on the award ranking section above.
Individual Awards
| Award | Rank | Name | Team | Score (out of 125) |
| Gold | 1 | Patrick Chu | Anonymous | 120 |
| Gold | 2 | Daniel Kim | E to the power i*Pi +1 | 120 |
| Gold | 3 | David Zhang | Anonymous | 116 |
| Gold | 4 | Alex Chen | Random Elephants | 115 |
| Gold | 5 | Brian Xue | Random Elephants | 115 |
| Silver | 6 | Eddie Wang | Random Elephants | 110 |
| Silver | 7 | Howard Liu | pi – is – 3.14 | 110 |
| Silver | 8 | Gore Fee | pi – is – 3.14 | 110 |
| Silver | 9 | Andy Xing | insert name | 108 |
| Silver | 10 | Brian Bi | I’m Lovin’ it | 105 |
| Silver | 11 | Shenlone Wu | 2 Beta or not 2 Beta | 105 |
| Silver | 12 | Skyler Mao | That Random Guy Over There | 104 |
| Silver | 13 | Vincent Lo | I’m Lovin’ it | 100 |
| Silver | 14 | Juliana Li | Yee | 100 |
| Silver | 15 | Sohil Rathi | pi – is – 3.14 | 100 |
| Bronze | 16 | Franklin Yang | pi – is – 3.14 | 98 |
| Bronze | 17 | Bodhi Beroukhim | Wicked Smaaht | 97 |
| Bronze | 18 | Sanjay Ravishankar | Life | 97 |
| Bronze | 19 | Ethan Wang | Yee | 97 |
| Bronze | 20 | Ishani AGARWAL | That Random Guy Over There | 97 |
| Bronze | 21 | Alexander Raj | Golden State Math Warriors | 97 |
| Bronze | 22 | David Lu | Life | 95 |
| Bronze | 23 | Shelly Yang | Team Negative 8 | 95 |
| Bronze | 24 | Sushim Chakrabortty | Random Soda Machine | 94 |
| Bronze | 25 | Timothy Wei | That Random Guy Over There | 93 |
| Bronze | 26 | Lindsey Tuckey | insert name | 92 |
| Bronze | 27 | Jonas Wilderman | Wicked Smaaht | 91 |
| Bronze | 28 | Alex Zhao | IDK, IDC | 91 |
| Bronze | 29 | Robert Feng | Life | 91 |
| Bronze | 30 | Anthony Luo | Awesome People | 90 |
Team Winners
| Rank | Team | Students | Overall Score (out of 800) |
| 1 | Random Elephants | Alex Chen Brian Xue Eddie Wang Jiahe Lu |
706 |
| 2 | pi – is – 3.14 | Howard Liu Gore Fee Sohil Rathi Franklin Yang |
698 |
| 3 | I’m Lovin’ it | Brian Bi Vincent Lo Andrew Hu Isaac Sun |
635 |
| 4 | That Random Guy Over There | Skyler Mao Ishani AGARWAL Timothy Wei Timothy Leung |
603 |
| 5 | E to the power i*Pi +1 | Daniel Kim Jason Kim Harish Loghashankar Logan Stroot |
557 |
| 6 | Life | Sanjay Ravishankar David Lu Robert Feng Anurag Chakrabarti |
549 |
| 7 | Anonymous | Patrick Chu David Zhang Dana Yang Arnav Mista |
548 |
| 8 | Awesome People | Anthony Luo Lily Shi Lawson Wang Serena Zu |
545 |
Team Champions
pi – is – 3.14
– Howard Liu
– Gore Fee
– Sohil Rathi
– Franklin Yang
Dates and Locations
Below are the dates and locations for the 4th Annual Pi Math Contest (PiMC).
First Round
Dates: January 20-28, 2018
Test Centers: AlphaStar Test Centers, Participating Schools and Math Circles
Final Round
Date/Time: Saturday, April 28, 2018, 8am-4pm
Location: Mission College, Santa Clara, California
Registration:
AlphaStar Test Center registrations are available here.
Registration Deadline
January 15, 2018
Registration Fee
$20 per student
Test Centers
AlphaStar Test Centers
Participating Schools and Math Circles
Schools and Math Circles can host PiMC. To become a test center please send an email to pimc@alphastar.academy.
No student can take the test multiple times! Before registering at an AlphaStar Test Center, please contact your school and math circle to see if they are hosting PiMC.
PiMC General Information
Grades
PiMC is open to students in 5th grade and below. Regardless of their grade level all students will take the same tests.
Tests
25-question, 40-minute individual test with single digit answers (from 0 to 9).
Contestants will receive 5 points for each correct answer, 1 point for each problem left unanswered, and 0 points for each incorrect answer.
First Round reports will be emailed to participants/test centers by February 15th. High-performing students will be invited to the Final Round.
Invitational Only
Initially, students with rank 1-150 are invited with RSVP deadline March 1st. After that, PiMC website will be updated weekly to show any additional invited students with corresponding RSVP deadlines. Please click the below to RSVP:
To find your rank, please check the email sent to you or your test center coordinator.
Check-in and Team Formation
Students will compete in teams of up to 4 members. Those who would like to be teammates need to check-in together. Otherwise, students will be assigned to a team based on the check-in order.
Individual Test
25-question, 40-minute individual test with single digit answers (from 0 to 9).
Contestants will receive 5 points for each correct answer, 1 point for each problem left unanswered, and 0 points for each incorrect answer.
Team Test
The Team Test is a 20-minute exam consisting of 15 short answer questions.
The entire team can collaborate to complete the Team Test. Different teams may not collaborate with each other.
Teams will receive 20 points for each correct answer, and 0 points for each incorrect answer. No partial credit will be given.
Overall Team Score is the sum of the individual scores and the team test score.
Team Finals
Top 8 Teams based on Overall Team Scores will be invited to compete in the Team Finals Teams will compete in countdown style problems to determine the Champion Team.
Certificates and Awards
All participants will receive Final Round Participation Certificates
Top 30 scorers on Individual Test will receive Medals:
- 5 Gold Medals
- 10 Silver Medals
- 15 Bronze Medals
Members of the top 8 Teams will receive Team Winner Medals
Members of the Champion team will receive Team Champion Trophies.
Award Rankings
Individual Ranks will be determined using the following tie breaking system:
- Individual Test Scores
- Points received from the last question of the Individual Test, second to last question of the Individual Test etc.
- A Tie-Breaker session
Team Ranks will be determined using the following tie breaking system:
- Overall Team Scores
- Team Test Scores
- Points received from the last question of the Team Test, second to last question of the team test etc.
- Ranks of the highest scoring student on the team, second highest scoring student on the team etc.
Guest Countries
A limited number of students and teams from other countries may participate in the Finals Round as Guest Countries. They will not be eligible to participate in the Team Finals. However, they may still receive medals based on their Individual and Team Scores which will not affect the Rankings and Medal numbers of the US participants.
Testing
Topics include but are not limited to
- numbers (integers, fractions, decimals, percent)
- word problems – prime numbers and factorization, GCD, LCM
- geometry (angle, length, area, coordinate geometry, 3D)
- counting
To get a better idea about the overall difficulty level, please refer to the tests from previous years.
Computational Aids
Rulers and compasses are allowed.
Calculators are not allowed!
PiMC 2017
Problems and Solutions
First Round
Final Round
Individual Test
Team Test
Team Finals
Results
Ranks are determined based on the award ranking section above.
Individual Awards
| Award | Rank | Name | Team | Score (out of 125) |
| Gold | 1 | Catherine Li | Team IDK IDC! | 125 |
| Gold | 2 | Jamin Xie | BARJ Simpson | 125 |
| Gold | 3 | Ryan Chin | BARJ Simpson | 125 |
| Gold | 4 | Joshua Jang | Team 101% | 120 |
| Gold | 5 | Evan Zhang | pink fluffy unicorns | 120 |
| Silver | 6 | Kyle Lei | Team IDK IDC! | 120 |
| Silver | 7 | Dylan Frake | The Happy Hippy Hippos | 116 |
| Silver | 8 | Henry Yao | RandomMath Team A | 116 |
| Silver | 9 | Johnny Tebou | Nerds, Attack! | 115 |
| Silver | 10 | Gabriel Liu-Zhou | Potato Pi | 115 |
| Silver | 11 | Jason Dong | Team 101% | 115 |
| Silver | 12 | Sohil Rathi | A^2+B^2=C^2 | 113 |
| Silver | 13 | Artyom Veraksa | Team Prime | 111 |
| Silver | 14 | Alex Chen | N/A | 110 |
| Silver | 15 | Larry Xing | Team IDK IDC! | 110 |
| Bronze | 16 | Karn Chutinan | pink fluffy unicorns | 110 |
| Bronze | 17 | Sahil Mehta | The Happy Hippy Hippos | 110 |
| Bronze | 18 | Brian Bi | BARJ Simpson | 110 |
| Bronze | 19 | Isaac Sun | 3.14 | 107 |
| Bronze | 20 | Medha Ravi | Pi r^2 | 107 |
| Bronze | 21 | Neel Kolhe | RandomMath Team A | 106 |
| Bronze | 22 | Tristan Lim | Super Four | 106 |
| Bronze | 23 | Andrew Hu | BARJ Simpson | 106 |
| Bronze | 24 | Jannie Xu | pi to the 10th power | 105 |
| Bronze | 25 | Daniel Kim | Team Troll | 105 |
| Bronze | 26 | DeeWen Jin | Super Four | 105 |
| Bronze | 27 | Lynn Dai | Blackberry Pi | 105 |
| Bronze | 28 | Howard Liu | Team Troll | 105 |
| Bronze | 29 | Franklin Yang | A^2+B^2=C^2 | 103 |
| Bronze | 30 | Andrew Luo | A^2+B^2=C^2 | 103 |
Team Winners
| Rank | Team | Students | Overall Score (out of 800) |
| 1 | BARJ Simpson | Andrew Hu Brian Bi Jamin Xie Ryan Chin |
726 |
| 2 | Team 101% | Arin Vansomphone Jason Dong Joshua Jang Will Chen |
725 |
| 3 | Team IDK IDC! | Catherine Li Ethan Liu Kyle Lei Larry Xing |
712 |
| 4 | RandomMath Team A | Henry Yao Neel Kolhe Nikhil Mathihalli Shivaani Venkatachalam |
674 |
| 5 | Blackberry Pi | Aniketh Tummala Lynn Dai Patrick Huang Phylicia Wang |
671 |
| 6 | Team Troll | Daniel Kim Gore Fee Howard Liu Rohan Ramkumar |
667 |
| 7 | The Happy Hippy Hippos | Alexander Liang Anshul Sinha Dylan Frake Sahil Mehta |
638 |
| 8 | A^2+B^2=C^2 | Akshaj Gupta Andrew Luo Franklin Yang Sohil Rathi |
632 |
Team Champions
BARJ Simpson
– Andrew Hu
– Brian Bi
– Jamin Xie
– Ryan Chin
Test Committee
| Aaron Lin | MIT |
| Akshay Ravikumar | MIT |
| Ali Ersoz | Magnolia Science Academy |
| Ali Gurel, Ph.D. | AlphaStar Academy |
| Andrew Lin | Lynbrook HS, CA |
| Ashwath Thirumalai | MIT |
| Benjamin Chen | MIT |
| Blair Chen | Lynbrook HS, CA |
| Brandon Wang | Saratoga HS, CA |
| Brian Gu | MIT |
| Caleb Ji | Washington University |
| Crystal Su | Mission San Jose HS |
| Dai Yang | Google, MIT Alumni |
| Daniel Yang | Amador Valley HS, CA |
| Edwin Peng | Monta Vista HS, CA |
| Eric Huang | Monta Vista HS, CA |
| Eric Xu | Stanford |
| Eugene Chen | MIT Alumni |
| Evan Chen | MIT |
| Freya Edholm | Proof School, CA |
| James Shi | Gunn HS, CA |
| Julia Huang | MIT |
| Handong Wang | Los Altos HS, CA |
| Jonathan Yang | Amador Valley HS, CA |
| Katherine Tian | Harker HS, CA |
| Kevin Zhang | Harvard |
| Matthew Hase Liu | MIT |
| Mayank Pandey | Caltech |
| Mehmet Kaysi | AlphaStar Academy |
| Michelle Chen | Harvard |
| Nikhil Mandava | Wilcox HS, CA |
| Rahul Sridhar | MIT |
| Rajiv Movva | Harker HS, CA |
| Richard Spence | University of Arizona, MIT Alumni |
| Richard Yi | MIT |
| Stan Zhang | Fremont HS, CA |
| Stanley Wang | Lynbrook HS, CA |
| Swapnil Garg | Harker HS, CA |
| Tiancheng Qin | MIT |
| Tomas Choi | UC San Diego |
| Yujin Kim | Columbia University |
