

| Dec 2005 |
| Establishment of CMA Yishun |
| Nov 2006 |
| Establishment of CMA Marine Parade |
| Mar 2007 |
| Establishment of CMA Bishan |
| May 2007 |
| Establishment of CMA Holland |
| May 2007 |
| Establishment of CMA Kovan |
| Aug 2007 |
| Establishment of CMA Tampines |
| Dec 2007 |
| Establishment of CMA Toa Payoh |
| Feb 2008 |
| Establishment of CMA Bukit Batok |
| Jun 2008 |
| Hosted 1st CMA National Mental Arithmetic Competition |
| Aug 2008 |
| Establishment of CMA Woodlands |
| Aug 2008 |
| Establishment of CMA Jurong East |
| Oct 2008 |
| Establishment of CMA Bukit Panjang |
| May 2009 |
| Entered Singapore's Book of Records for hosting Singapore's largest abacus arithmetic competition |
| Hosted 2nd CMA Mental Arithmetic National Olympia |
| Jun 2009 |
| Establishment of CMA Novena |
| Jun 2009 |
| Establishment of CMA Jurong West |
| Oct 2009 |
| Establishment of CMA Punggol and Tiong Bahru |
| Dec 2009 |
| Establishment of CMA Bedok |
| Feb 2010 |
| Establishment of CMA Farrer Park |
| Mar 2010 |
| Establishment of CMA Yew Tee |
| May 2010 |
| Hosted 3rd CMA Abacus Mental Arithmetic National Olympia Cherlyn Lee, 5yrs old student, entered Singapore Book of Records for fastest addition of Ten 10-digits numbers |
| Feb 2011 |
| Collaborative research effort with the National University of Singapore's Asian Research Centre, for a project titled, " Learning abacus mental arithmetic during early childhood" |
| Apr 2011 |
| Official Launch of Kindy Programme |
| May 2011 |
| Hosted 4th CMA Mental Arithmetic National Olympia |
| Cherlyn Lee, broke her previous national record 5'17" with her new record of 3'57" |
| CMA 5th Anniversary |
| Entered Singapore's Book of Record for hosting Singapore largest Abacus Mental Arithmetic Competition |
| Oct 2011 |
| Awarded the "Asia Pacific Top Excellence Brand Year 2011/2012" |
| Soft launching of Senior Citizen Trial Class |
| Jan 2012 |
| Establishment of CMA Ang Mo Kio |
| May 2012 |
| Awarded the "Promising SME 500 2012" |
| June 2012 |
| Hosted CMA Mental Arithmetic Olympiad 2012 |
| Establishment of CMA Sengkang |
| October 2012 |
| Establishment of CMA West Coast |