Welcome all!

This is posted by LJ's mum. Part of the team from the Singapore delegation to the China Western Mathematical Olympiad (CWMO) left this...

Someone posted the following question on the cbox: Find the 6-digit number ABCDEF such that 7 x ABCDEF = 6 x DEFABC where DEFABC is anothe...

Posted by Lim Li. Someone asked if I kept my medals in an album. No, the medals were dumped somewhere in the display cabinet below. My NMOS ...

This is posted by Lim Li Hello, this morning I went to ACS(I) for the 3rd Annual Mathlympics prize presentation. We won 4 golds, 1 silver ...

I will be going to China for the China Western Math Olympiad (CWMO) 2010, from 26 to 1 November. There are 2 teams, total 8 of us from the N...

This is posted by LL ☺ Someone posted the following question on the cbox: Container A contains 250 red marbles and 200 blue marbles. Cont...

Find the shaded area. Let the midpoint of line AD be E. (Centre of semi-circle). Let the arc of AC and AD cut at point F. AE = EF = 3.5...

This is posted by Lim Li. In Angry Birds, you are supposed to kill the green thingy by shooting the birds using a catapult. I do not play i...

This is posted by LJ's mum. My kids practically grow up with Tomy Megasketcher, a magnetic drawing board. It is their favourite toy. I...

Someone posted the following question on the cbox: Let AG be x cm. Then GB = 12-x Triangle AGF is similar to Triangle ABC, hence AG = GF...

SMO (Senior) - Individual 8th 120 SMO (Senior) - Team 3rd 88 (I think, 350/4) SMO (Open) - Individual 8th 120 SMO (Open) - Team 4th 83 (2...

I went for the Hwa Chong Math Quest 2010 yesterday. We (my mother, Lim Li and I) took 3 buses (186, 153, 174) from my house and alighted at ...

These photos were taken by our teachers, Mrs Ng and Ms Lim. Group photo with our buddies and teachers (Mrs Ng and Ms Lim). 1-Day ...

CGMO Opening Ceremony. Our quad-sharing hostel room in Shijiazhuang No. 2 Middle High School. With the exception of Zhang Aidi who clim...

This is posted by LJ's mum. This year's CGMO officially closes today. About 200 students participated, of which 20 are awarded Gol...

Lim Min has flown to Shanghai early this morning (1.15 am) on SQ826, and she will be taking another flight at 12.50 pm to Shijiazhuang Daguo...

Question 5: A company could use any of the 3 builder (Anthony, Bob and Charles) to build a wall. Anthony would take A days to build the wall...

1. 20 2. 2 3. 15 4. 216 5. 154 6. 54 7. 25 8. 12 9. 38 10. 75 11. 542 12. 48 13. 108 14. 12 15. 65 16. 24 17. 40 18. 25 19...

More random photos from the facebook albums of Mr Lu's and Gar Goei's. Playing cling. With Mr Teo and Yan Sheng. Cutle...

Below are some photos taken (a few are from Mr Lu's and Gar Goei's facebook). Group departing from Terminal 3 on 4 July. Particip...