TISA International Math Olympiad 2025 (TIMO)
for Primary Schools

TIMO is an international mathematics competition designed to inspire young learners, demonstrate that math is an art, and foster logical and analytical thinking.

The Olympiad is conducted in two languages:
English and Dutch. 

3 STAGES OF THE OLYMPIAD

The winning school (with the highest total score from all participants in the final round) will receive a €500 prize.

Download mock exams and practice at home

STAGE 1:
Tryout Round

till May 5

All participants receive a certificate

STAGE 2:
Online Round

MAY 6-18

You will receive the invitation if you pass the Online Round

STAGE 3:
Final Round

MAY 23
in Leiden

COMPETITION GROUPS

TIMO is open to young learners across different age groups:

Group 1 (4-5 y.o.)
Group 2 (5-6 y.o.)
Group 3 (6-7 y.o.)
Group 4 (7-8 y.o.)
Group 5 (8-9 y.o.)
Group 6 (9-10 y.o.)
Group 7/8 (10-12 y.o.)

FINAL ROUND

📅 Date: 23th May 📍
Location: TISA International School
10:00 - 10:30 | Opening Ceremony
10:30 - 11:30 | Math Olympiad
11:30 - 12:30 | Break & Evaluation
12:30 - 13:00 | Award Ceremony

Awards & Recognition

All offline participants receive medals and commemorative prizes. Winning school (highest total score) wins €500.