此練習是由新加坡SAP出版，特別適合想提昇計算速度，減少不小心錯誤的小朋友。
每個數學課題內精選了不同題型的練習，小朋友可先自行計算所需時間。在熟習後，便可嘗試在限時內完成相關測試。
書後有多個限時的綜合小測，特別適合在試前鍛鍊一下速度及準確度。
It is designed to sharpen the mathematical skills of the students through skill-focussed learning, quick calculation, logic of reasoning and development of speed and accuracy to reduce careless mistakes.
It also helps students to strengthen and consolidate important mathematical concepts through rigorous training.
Includes:
50 Exercises - The exercises cover the essential topics in the latest school curriculum.
9 Timed Reviews - The reviews after several exercises consolidate concepts learnt
20 Timed Quizzes - The quizzes at the end of the book serve as summative assessment of a student's learning.
Answers are provided for self-checking to support learning process.
Paperback / For Ages: 10-11 / 125 pages