Description Sagosem Age 6, Book 1 (2019) Week 1. Numbers up to 9 Week 2. Counting Week 3. Number order Week 4. Ordinal numbers Week 5. 1 more, 1 less Week 6. Comparing numbers Week 7. Conditions and numbers Week 8. 2 more, 2 less Sagosem Age 6, Book 2 (2019) Week 1. Adding 1 Week 2. Adding 1 and 2 Week 3. Addition with a blank (□) Week 4. Subtracting 1 Week 5. Subtracting 1 and 2 Week 6. Subtraction with a blank (□) Week 7. Adding 1, Subtracting 1 Week 8. Adding and Subtracting 1 and 2 Sagosem Age 6, Book 3 (2019) Week 1. Combining numbers Week 2. Splitting numbers Week 3. Splitting and Combining Week 4. Addition up to 9 Week 5. Sum of two numbers Week 6. Addition with a blank (□) Week 7. Addition with a blank (□) (2) Week 8. Problem-Solving Addition Sagosem Age 6, Book 4 (2019) Week 1. Single-digit subtraction Week 2. Difference of two numbers Week 3. Subtraction with a blank (□) Week 4. Problem-Solving Subtraction Week 5. Addition of three numbers (1) Week 6. Addition of three numbers (2) Week 7. Subtraction of three numbers Week 8. Addition and Subtraction of three numbers