| Grade | Unit | Subunit | Progress | Hours | |||
| what | why | how | |||||
| 2 | 6. Data representation | 1. Reading and collecting data | . | . | . | ? | 12 | 
| 3 | 6. Data representation | 1. Reading graphs | . | . | . | ? | 12 | 
| 2. Data representation | . | . | . | ? | |||
| 4 | 6. Data representation and organization  | 1. Methods of collecting data | . | . | . | ? | 6 | 
| 5 | 1. Approximation | . | . | . | . | ? | 12 | 
| 8. Data representation | 1. Representing data by double bars | . | . | . | ? | 12 | |
| 2. Representing data by pie charts | . | . | . | ? | |||
| 3. Method of representing data by pie charts | . | . | . | ? | |||