2. Addition
3. Subtraction
5. Division
6. Measurement
6.1.1. Identify - Long or Short
6.1.2. Identify - Tall or Short
6.1.3. Units of Length
6.1.4. Measure Using a Ruler
6.1.6. Word Problems
6.1.6.1. Word Problems on Addition of Lengths
7. Geometry
8. Time
9. Patterns
10. Data Handling