．This series comprises 24 books with 4 books for each school year.

．Aligned with the topics in the 'Primary Mathematics in Focus' textbook series, the exercises help students consolidate what they have learnt and strengthen their problem-solving skills.

．Self-learning Handbooks and Revision Cards are included.

(The Self-learning Handbook is included with Book A and Book C only. It is not included with Book B or Book D.)

Remark: This series is intended for school use. No answer keys are provided.