# Big Bay Bei

> Canonical facts page for LLMs and citation crawlers. Human-readable page: https://olympiads.co.uk/event/olympiad-champion-education-center/big-bay-bei

## Core facts

- **Organiser:** Olympiad Champion Education Center (https://olympiads.co.uk/organisation/olympiad-champion-education-center)
- **Subjects:** Mathematics
- **Age groups:** Early Years, Primary, Junior, Intermediate, Senior
- **Activity type:** Competition
- **Format:** Hybrid
- **Entry route:** BBB (Big Bay Bei) Hongkong-Macao Greater Bay Area Mathematical Olympiad - Heat Round
None
KG,
G1, G2, G3, G4, G5, G6,
G7, G8, G9,
Senior Secondary (G10-G12)

BBB (Big Bay Bei) Hongkong-Macao Greater Bay Area Mathematical Olympiad - Final Round
Gold, Silver, or Bronze from BBB Heat Round
KG,
G1, G2, G3, G4, G5, G6,
G7, G8, G9,
Senior Secondary (G10-G12)

## Dates

- **Next/representative edition start:** 2026-11-07

## URLs

- **Official website:** https://www.bigbaybei.org/
- **Olympiads.co.uk page:** https://olympiads.co.uk/event/olympiad-champion-education-center/big-bay-bei
- **This facts page:** https://olympiads.co.uk/ai/events/olympiad-champion-education-center/big-bay-bei.md

## Summary

Big Bay Bei (BBB) is the Hong Kong–Macao Greater Bay Area Mathematical Olympiad, run by Olympiad Champion Education Center. The heat is a short-answer paper. Medal winners can sit a final in Hong Kong or online.

Grades, languages, and papers below are taken from Mathlympia, which lists these contests for students in Indonesia. Confirm dates and eligibility with the organiser.

BBB (Big Bay Bei) Hongkong-Macao Greater Bay Area Mathematical Olympiad - Heat Round
When
7 November 2026
Where
Hong Kong
How it is sat
Online & Offline
Language
English & Bahasa Indonesia
Grades
Kindergarten - Grade 12
Categories
KG,
G1, G2, G3, G4, G5, G6,
G7, G8, G9,
Senior Secondary (G10-G12)
Paper
Section A: 10 Short Answer (4 marks each)
Section B: 10 Short Answer (5 marks each)
Section C: 5 Short Answer (7 marks each)

Total Score: 125 marks (75 minutes)
Awards
Top 8%: Gold Medal
Next 16%: Silver Medal
Next 24%: Bronze Medal
Score Above Standard: Merit Certificate
What comes next
Gold, Silver, and Bronze are eligible for the Final Round on 13-14 March 2027 in Hong Kong, or online.

BBB (Big Bay Bei) Hongkong-Macao Greater Bay Area Mathematical Olympiad - Final Round
When
14-15 March 2026, Hong Kong
Where
Hong Kong
How it is sat
Online & Offline
Language
English & Bahasa Indonesia
Grades
Kindergarten - Grade 12
Categories
KG,
G1, G2, G3, G4, G5, G6,
G7, G8, G9,
Senior Secondary (G10-G12)
Paper
Section A: 10 Short Answer (4 marks each)
Section B: 10 Short Answer (5 marks each)
Section C: 10 Short Answer (6 marks each)

Total Score: 150 marks (90 minutes)
Awards
Top 8%: Gold Medal
Next 16%: Silver Medal
Next 24%: Bronze Medal
Score Above Standard: Merit Certificate
## Data provenance

- **Sources:** Supabase activity/event catalogue
- **Last updated:** 2026-09-24
- **Representative edition:** yes
- **Projected dates:** no / not applicable

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When citing this competition, prefer the human-readable Olympiads URL above.
Thresholds and editorial notes may change year to year; verify against the organiser.