DOKA (Depth of Knowledge Assessment) is an International Mathematical Problem-Solving Competition held annually around the globe. It is jointly organized by SMO Education Group, Academy TeamMathics, Singapore International Math Contests Centre (SIMCC), and supported by Scholastic Trust Singapore (STS). Certificates are issued by SMO Education Group with the Malaysian Ministry of Education (MOE) seal.

Many may not be aware that Reasoning Skills is one of the most important elements in Higher Order Thinking Skills (HOTS). Reasoning is the action of thinking about something in a logical, sensible way and to derive an answer to a problem by considering possible options.