Acton Boxborough Math Competition

Hi Everyone,

ABMC is excited to hold our annual on-site contest on April 5th, 2025 at the Raymond J. Grey Junior High School (16 Charter Rd, Acton, MA 01720)!

The contest will consist of a speed, accuracy, and team round. The problems encompass a wide range of difficulty, suitable for competition math beginners and veterans alike. Prizes will be awarded to high-scoring individuals and teams.

ABMC is committed to bring an exciting touch to the world of competition math. Competitors will interact with over 200 passionate students, facing off and working together in an intense exercise in problem-solving skills.

Registration is now open on our website, with a $5 discount if you register online: abmathcompetitions.org/2025-contest. The rules, archived tests, and competition schedule can also be found on our website.

We hope to see you there!

Best,
Avanish Gowrishankar and Daniel Ren
ABMC Presidents

ABMC 2025 Registration for ABMC 2025 has opened! ABMC 2025 has been scheduled for April 5th, 2025. See below for more information, including the schedule. 2025 Individual Sign-up Form 2025 Team Sign-up Form …

Hi Everyone,

ABMC is excited to host our first monthly online contest of the year!

The ABMC October contest will take place next weekend (10/19-10/20) and will consist of fifteen problems ranging from easy, approachable problems to the hard AMC 8 problems. The contest will be released Saturday morning and competitors have until Sunday night to complete them.

Our online contests are free and no pre-registration is needed! The contest will be posted on our website (linked below) once the contest starts. ABMC is a great opportunity to improve your math skills and compare yourself to other strong competitors.

More information can also be found on our website (abmathcompetitions.org) and please email us at [email protected] with any questions.

Best,
Avanish Gowrishankar and Daniel Ren
ABMC Presidents

Hello Everyone,

We are excited to hold our eighth annual onsite competition on April 6th!

ABMC is a Mathcounts-style competition that is open to students in 8th grade or younger. The difficulty ranges from problems for beginners to Mathcounts National-level. You can register as a team of 2-4 people or as an individual, with the option to be randomly assigned to a team.Prizes are awarded to high-scoring competitors and teams.

Our problems are written by former Mathcounts competitors, including JMO and AMO qualifiers. ABMC is a good opportunity to compete against some of the best competitors from around the area. Our 2023 competition drew nearly 200 competitors.

Registration is open on our website, abmathcompetitions.org. More information, including rules, are also on our website. It costs $20 if you register online and $25 if you register in-person on competition day. Email us at [email protected] with any questions.

We hope to see you there!
ABMC Team

Hello everyone,

We're excited to continue in our fifth year of fall ABMC Online Contests! The first two rounds of testing passed in October and November, but our last round is this weekend beginning at 11 am ET on December 17. Top scorers will be posted on the ABMC website, and prizes will be awarded.

No pre-registration is necessary, and participation is free! Once the problems are released, an answer submission form will also be posted on our website where all you will need to do is provide your name, grade, school, and email. For all information about the contest, please visit https://abmathcompetitions.org/2022-online-contests/. A flyer is attached with information as well.

We hope to see you there!
ABMC Coordinators

Hello everyone,

We're excited to continue our fifth year of fall ABMC Online Contests! The first round of testing passed in October, but the next upcoming round is this weekend beginning at 11 am ET on November 19. Top scorers will be posted on the ABMC website, and prizes will be awarded.

No pre-registration is necessary, and participation is free! An answer submission form will be posted on our website where all you will need to do is provide your name, grade, school, and email. The submission window is from 11 AM Saturday (11/19) to 10 PM ET Sunday (11/20). For all information about the contest including rules, please visit https://abmathcompetitions.org/2022-online-contests/.

We hope to see you participate!
ABMC Coordinators

2022 Online Contests November Contest The November contest is on November 19-20th. Mark the date! The October Online Contest has concluded! Solutions are posted, and scores have been emailed. ABMC October Online Contes…

Hi everyone! The October ABMC online contest will begin on October 15th. The contest is open to anyone in 8th grade or below and does not require any registration in advance. High-scoring participants can also win prizes. Find more information on https://abmathcompetitions.org/2022-online-contests/.

2022 Online Contests What are the ABMC Online Contests? The ABMC Online Contests consists of 3 rounds of tests (1 round per month), each containing 15 questions. The contests take place during the months of October, No…

ABMC has expanded and grown into more than a middle school math competition! Read more about ABMC and what the coordinators have to say about their experiences.

Beacon's Hometown Heroes: Acton Boxborough Math Competition Want Acton and Boxborough news delivered to your inbox? Sign up for our free weekly newsletter. Please support local journalism by subscribing at

Hey everyone!

The 4th annual Acton-Boxborough Math Competition (ABMC) is quickly approaching. This year's ABMC will be held online on Saturday, April 25th, starting at 11 AM EST. The competition is open to all who haven't entered high school. No preregistration is needed, and the competition is free!

Thanks to increased funding, ABMC is pleased to present AoPS gift certificates, calculators, 50 Wolfram Alpha subscriptions, free math classes, and math textbooks to top-scorers!

Prizes will be awarded to top students in the online contests, top students at ABMC, and top scorers on each team. In addition, prizes will be raffled among all contestants.

More information can be found on our website:
https://abmathcompetition.org/2020-competition/

Finally, we are offering online tutoring sessions due to COVID-19. All proceeds will be donated to our local hospital.

Please spread the news to friends, family, and students. Cheers towards a successful event!

2020 Competition What’s awesome about ABMC 2020? It’s completely free! No preregistration is needed! The time limits are quarantine-friendly! We offer prizes not only to top competitors; several of our …

The October Online Contest has just begun! Participation is open to all and is completely free. See https://abmathcompetition.org/online-contest/ for more information. 🏅🏅🏅

Online Contest Click here to view the October Round! Click here to submit your responses! *Note that there was a typo in the original problem statement for problem 15. It should read “4 faces” of the …