Primary Mathematics 2A Textbook 3rd Edition Author:Singapore, Ministry of Education Textbook used in Singapore, which has the highest math achievement in the world, according to international testing. — The Primary Mathematics series of elementary math coursebooks (textbooks) and workbooks is meant to be part of a system of learning in which adult supervision and independent practice go hand in hand. The main feature of this ser... more »ies is the use of the Concrete- Pictorial-Abstract approach. Students are provided with the necessary learning experiences beginning with the concrete and pictorial stages, followed by the abstract stage to enable them to learn Mathematics meaningfully. The approach promotes clear thinking, effective communication of mathematical ideas and adept problem solving. This helps develop the foundation pupils will need for more advanced mathematics.« less