Intellectual Mathematics Textbook (Thailand Edition) for grade 4 is a series of primary math textbooks. The main feature of this series is we adopt the Concrete, Pictorial and Abstract approach.
This approach will developed and cultivate process thinking skill of the pupils and at the same time to build a strong foundation to prepare them for their next stage of learning mathematics.
The problem sum questions in the textbook uses the Singapore Bar Model strategy to solve. This techniques is one of the best in the world which is currently also being used in many countries.