2021 Alibaba Global Math Competition Results

Alibaba Global Math Competition

Finalists

Award 

Gold Award (4 winners) with 20,000 USD each 

Silver Award (6 winners) with 10,000 USD each 

Bronze Award (10 winners) with 5,000 USD each 

Honorable Mention (50 Winners) 

Award winners will be invited to Math Colloquium in Summer 2021.

Off to Caltech

SQ38, 14 Sep 7.55 pm flight. Expected arrival at LAX, 14 Sep 8.09 pm local time

Settling in MIT

With Surya, who is doing a Comp Sci PhD at MIT 

Boston Lights. 2 Oct

MIT Singapore Students Society Welcome Reception on 25 Sep. From left: Ang Jie Jun, Li Anqi, Lim Min, Jit Wu (Harvard), Surya

With fellow Singaporeans

Cruise event

Ashdown House

SMO 2021 (Open Section) Answers

SMO 2021 Open Questions

SMO 2021 (Open Section) Answers

1. 1741
2. 99999
3. 4290
4. 7
5. 1395
6. 2020
7. 16
8. 169
9. 98
10. 6
11. 6
12. 89
13. 2
14. 2
15. 1348
16. 10
17. 101 (or 312 if the 8 cards are flipped as a stack of 8)
18. 88
19. 65
20. 25
21. 108
22. 2021
23. 75
24. 6
25. 5

Click here for review session on 8 Sep at 3 pm.

SMO 2021 (Senior Section) Answers

SMO 2021 Senior Questions

SMO 2021 (Senior Section) Answers 

1. D 

2. A 

3. A 

4. B 

5. E 

6. 25 

7. 80 

8. 2400 

9. 6 

10. 2550 

11. 40

12. 491 

13. 64 

14. 4 

15. 16

16. 240 

17. 70 

18. 120 

19. 180 

20. 2994 

21. 111

22. 3 

23. 60 

24. 188 

25. 106

Click here for review session on 7 Sep at 3.30 pm.

SMO 2021 (Junior Section) Answers

SMO 2021 Junior Questions

SMO 2021 (Junior Section) Answers 

1. C 

2. B 

3. C 

4. B 

5. D 

6. 6 

7. 3685 

8. 3 

9. 225 

10. 3 

11. 650 

12. 48619 

13. 4 

14. 495 

15. 12 (or 13 if k=0 is allowed) 

16. 18 

17. 864 

18. 9 

19. 25777

20. 10211 

21. 44 

22. 2 

23. 42 

24. 27 

25. 84413

SMO Junior answers are provided by Way Tan. Click here for review session today (6 Sep) at 6.30 pm.

SMO Junior/Senior/Open Review Sessions

[This is posted on behalf of Mr Way Tan]

Mr Way Tan will be conducting live problem review sessions after the 2021 SMO. They will be live streamed on YouTube and are open to all.

The schedule is as follows:

• SMO Junior: 6 Sep 6:30pm (https://youtu.be/YSrMk53oWbo)
• SMO Senior: 7 Sep 3:30pm (https://youtu.be/dU5L-IbExVo)
• SMO Open: 8 Sep 3pm (https://youtu.be/GhAYpBa6MkM)

Each session is expected to be 2.5 hours long (may vary depending on difficulty of paper). Participants are welcome to ask questions using the live chat.

For any enquiries, you may contact Mr Way via WhatsApp (83682318), Telegram (@waytan97) or email (fiboway@yahoo.com.sg).

About Mr Way:

Mr Way recently graduated from NUS with Double Honours in Mathematics & Computer Science and was awarded the Leong Teng Kiang Memorial Prize (Best Student in Mathematics). He has also been a Math Olympiad Instructor with Maths Hub since 2016.

His achievements as a student include:

• 2nd (NMOS), 1st (RIPMWC), 2nd (SMOPS)
• 1st (SMO Junior), 1st (SMO Senior), 2nd (SMO Open)
• First Prize (A*STAR Talent Search)
• Gold Award (China Western Mathematics Invitational)
• Member of SIMO National Team for 4 years

Online Mathematical Club

[This is posted on behalf of Arsenii who runs Kvanta]

Hi!

We are team of Cambridge students who are organising an online mathematical club for English-speaking pupils aged between 11 and 16. We offer a variety of maths courses, including Extra-maths courses that prepare for Olympiads of various levels. We also offer school-maths courses aimed at properly explaining school material and occasionally diving into additional cool ideas. The next wave of lessons will be launched very soon, so please hurry up if you want to apply.

- Our website: en.kvanta.xyz (apply here)

- You can also check which courses are recommended for students from Singapore who want to get a reasonable at most important Singaporean olympiads: https://en.kvanta.xyz/find_out_what_is_best_for_you#!/tab/346054190-2

- If you have any questions, you can email us at kvantaen@gmail.com. But all the necessary information can be found on the website :)

P.S. We are running a maths team competition for 13-15 year old students with a monetary prize on Sunday September 5. If you have time in the evening (Singaporean time), think about joining. Here is the link with all the information: https://en.kvanta.xyz/first-estimathon