Description 1. Mixed Calculations with Natural Numbers 2. Divisors and Multiples 3. Patterns and Relationships 4. Reducing and Common Denominators 5. Addition and Subtraction of Fractions 6. Perimeter and Area of Polygons ▶ Main Workbook 1. Learning the Concepts The key points of textbook concepts are explained in detail, with activity questions designed to help solidify understanding. Textbook and workbook concept questions are also placed on the facing page so you can immediately check comprehension. 2. Building the Basics Concept-focused practice problems help strengthen fundamentals and prepare for skill-building. Solve textbook and workbook problems, as well as descriptive/word problems, to cover everything needed for a solid foundation. 3. Developing Application Skills Real math ability comes from solving application problems that build problem-solving skills. Complete representative advanced problems for each unit to master your skills. 4. Unit Assessments To wrap up each unit, problems ranging from basic to advanced levels are provided. Frequently tested school exam questions are also included, making this section useful for regular assessments and school exam preparation. ▶ Supplementary Practice Booklet - Practice step by step, starting with guided writing exercises, to prepare for descriptive/word problems. - Review unit assessment problems once more for extra practice.