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2026 National Math Challenge Tournament
Elizabeth Blackwell Elementary School
We are excited to host the 2026 National Math Challenge Tournament (MCT) at Elizabeth Blackwell Elementary School!
📍 Event Details
School: Elizabeth Blackwell Elementary School
Address: 3225 205th Pl NE, Sammamish, WA 98074
Location: School GymDate: Thursday, April 2, 2026
Time: 6:00 PM PTMaximum Participants: 48 students
Open to Public: No (Blackwell students only)Organizer: Ying Tong
Contact Email: Mathchallenge@blackwellptsa.org
📝 Student Registration
👉 Register Here:
https://ellipsisacademy.as.me/?appointmentType=57018633⚠ Important Notice:
Please enter the STUDENT’S full name (not the parent/guardian’s name) in the Name field on the registration form.Spots are limited and filled on a first-come, first-served basis.
📘 Important MCT Information for Parents & Students
For a full overview of the tournament (introduction, format, divisions, awards, and more), please visit:
👉 https://www.ellipsisacademy.com/2026-math-challenge-tournament.htmlThis page is highly recommended for families who are new to Math Challenge Tournament.
📌 Important Registration Notes
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Tournament Fee: $26 per student
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This is an in-person tournament only (no online option).
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Seats are limited and assigned on a first-come, first-served basis.
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Tournament fees are non-refundable and non-transferable.
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20% of the tournament fee will be returned to participating schools through the MCT Give Back Program.
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A portion of the fee also supports the FREE Math Challenge Program nationwide.
🔄 Change Requests
If you need to request any changes after registration (such as division, student name, etc.), please submit a Change Request form at:
👉 https://www.ellipsisacademy.com/mct---change-request2.html
📧 Confirmation & Communication
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You will receive a registration confirmation email immediately after registering.
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If you do not see it, please check your spam or junk folder.
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The school organizer will send out an additional event details email within one week of the tournament.
⏰ Important Deadlines
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Last day to register: March 6, 2026
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Last day to submit a change request: March 6, 2026
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📚 Current Math Challenges
✨ Ready to start? Click below to access the current challenges:
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🔹 Math Challenge #3 — Due October 23, 2025
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🔹 Math Challenge #4 — Due November 6, 2025
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🔹 Math Challenge #5 — Due November 20, 2025
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🔹 Math Challenge #6 — Due December 12, 2025
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🔹 Math Challenge #7 — Due January 9, 2026
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🔹 Math Challenge #8 — Due January 28, 2026
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🔹 Math Challenge #9 — Due February 6, 2026
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🔹 Math Challenge #10 — Due February 19, 2026
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🔹 Math Challenge #11 — Due March 6, 2026
🧠 Keep practicing, have fun, and stay tuned for more exciting math moments ahead!
- All PTSA programs are PTSA-hosted private events.
About Math Challenge:
- Math Challenge is a free math enrichment program for all Blackwell Elementary students.
- The Math Challenge Program is designed to give elementary students opportunities to sharpen their mathematical problem-solving skills.
- The challenges include problem-solving strategies such as draw a picture or model, make an organized list, look for a pattern, working backward, and guess and check etc.
- There will be 14 sets of challenges released every other week starting in late September and ending in May.
- Each set presents 10 to 18 problems ordered by level of difficulty which enables students from various grades to participate.
- All students K to Grade 5 are encouraged to participate.
- The PTSA Newsletter and Blackwell Beat announce each Math Challenge, availability and the due dates.
How to Participate
- Parents can find updates about the Math Challenge program from the school's newsletter (The Blackwell Beat) and PTSA Newsletter.
- Find the current Math Challenge and the Microsoft Form in either of the newsletters above or on the PTSA website.
- SOLVE at least the minimum number of questions required for your grade.
- Students are encouraged to get help from parents, siblings, and friends, to solve as many questions as possible.
- SUBMIT your answers via Microsoft Forms only. This form auto-grades your student's answers, so feedback is immediate.

Questions? Please reach out to Ying Tong for more information.














