本練習由淺入深，有挑戰題。
 
 
Workbooks offer the independent practice necessary for students to hone their skills. Corresponding to textbook material, lessons begin with fundamentals and progresses to more challenging problems.
 
Features & Components:
🔸  Basics: Provide a review of basic concepts covered in textbooks.
🔸  Practice: Reinforces and consolidates learning through practice problems.
🔸  Challenge: Offers advanced enrichment through challenging problems.
🔸  Check: Gives students a chance to confirm their understanding.  
 
 
Note: Two workbooks (A and B) for each grade correspond to the two halves of the school year. Answer key not included. 
 
Table of Contents:
Chapter 8: Mental Calculation (10 exercises)
Chapter 9: Multiplication and Division of 3 and 4 (9 exercises)
Chapter 10: Money (8 exercises)
Chapter 11: FractionsExercise 1 (7 exercises)
Chapter 12: Time (4 exercises)
Chapter 13: Capacity (3 exercises)
Chapter 14: Graphs (3 exercises)
Chapter 15: Shapes (8 exercises)