- Engaging contents using authentic context closely connected to the real world
- Problem-solving skills learned through a structured four-stage approach adapted from Polya
- The clear transition of concepts within topics
- Clear scaffolding of visualization
- Easy-to-use Teacher’s Guide with the wrap-around format incorporated in both the textbook and workbook and specific instructional objectives for different topics.
- Student’s book: 5 books, level 1-5
- Workbook: 5 books, level 1-5
- Teacher’s Guide book: 5 books, level 1-5