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TIMO (Thailand International Mathematical Olympiad) is an international maths competition for school students; a very large number of Vietnamese primary pupils enter every year.
Real scores · Real teachers · Real results — teachers hold at least IELTS 8.0 or SAT 1500, and international programmes are taught by PhD and Master's holders.
Click each grade to see the exam structure, the five content strands and how awards are decided.
| Heat Round — 25 questions · 90 minutes | Answers written in; 5 strands × 5 questions, bilingual English–Vietnamese paper. |
|---|---|
| Final Round | Same 25-question format at a higher difficulty — for candidates who won an award in the Heat Round. |
Total 90 minutes, no calculator · No calculator. The numbers are small but the questions demand reasoning: systematic listing, drawing diagrams, working backwards, making an assumption.
| Heat Round — 25 questions · 90 minutes | Answers written in; 5 strands × 5 questions, bilingual English–Vietnamese paper. |
|---|---|
| Final Round | Same 25-question format at a higher difficulty — for candidates who won an award in the Heat Round. |
Total 90 minutes, no calculator · No calculator. The numbers are small but the questions demand reasoning: systematic listing, drawing diagrams, working backwards, making an assumption.
| Heat Round — 25 questions · 90 minutes | Answers written in; 5 strands × 5 questions, bilingual English–Vietnamese paper. |
|---|---|
| Final Round | Same 25-question format at a higher difficulty — for candidates who won an award in the Heat Round. |
Total 90 minutes, no calculator · No calculator. The numbers are small but the questions demand reasoning: systematic listing, drawing diagrams, working backwards, making an assumption.
| Heat Round — 25 questions · 90 minutes | Answers written in; 5 strands × 5 questions, bilingual English–Vietnamese paper. |
|---|---|
| Final Round | Same 25-question format at a higher difficulty — for candidates who won an award in the Heat Round. |
Total 90 minutes, no calculator · No calculator. The numbers are small but the questions demand reasoning: systematic listing, drawing diagrams, working backwards, making an assumption.
| Heat Round — 25 questions · 90 minutes | Answers written in; 5 strands × 5 questions, bilingual English–Vietnamese paper. |
|---|---|
| Final Round | Same 25-question format at a higher difficulty — for candidates who won an award in the Heat Round. |
Total 90 minutes, no calculator · No calculator. The numbers are small but the questions demand reasoning: systematic listing, drawing diagrams, working backwards, making an assumption.
| Heat Round — 25 questions · 90 minutes | Answers written in; 5 strands × 5 questions, bilingual English–Vietnamese paper. |
|---|---|
| Final Round | Same 25-question format at a higher difficulty — for candidates who won an award in the Heat Round. |
Total 90 minutes, no calculator · No calculator. The numbers are small but the questions demand reasoning: systematic listing, drawing diagrams, working backwards, making an assumption.
Based on the TIMO Heat Round and Final Round paper format.
Teachers with a specialist mathematics background. The 8020 THINK MATH series for Grades 1–3 was written after benchmarking 12 textbook series from Singapore and the US.
PhD with distinction · Master's with distinction, top 4% of the Faculty of Mathematics, Masaryk University (Czech Republic) · Bachelor's with distinction, top 2 in the Faculty of Mathematics, Ho Chi Minh City University of Education
Graduation thesis awarded Distinction · alumnus of the specialised Math class at Lê Hồng Phong · teaches Calculus and Statistics to AP students
Master's, Western Sydney (Australia) · Talented Engineer Programme, Bách Khoa (Ho Chi Minh City University of Technology) · First Prize in Mathematics at city level, Mathematics specialist class at Lê Hồng Phong · over 10 years teaching IELTS and SAT
Computer Science, at the #1-ranked US university for the field · 10 years living and working in the US, including time at Amazon · alumnus of the specialised Maths programme at Lê Hồng Phong
Each lesson has 4 tiers of problems: Foundation → Advanced → Challenge → Olympiad-style, as in TIMO and Kangaroo. Grades 1–3 span 9 levels, with a 100-point test at the end of each level.
Take the free placement test and 8020 will pinpoint your gaps and place you in the right class with the right teacher. A practice area for each grade: a bank of practice questions with answers, plus timed 25-question mock tests.