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
6.1.5.1. Addition of Lengths
6.1.5.1.1. Addition of Length in Meter or Centimeter
6.1.5.1.2. Addition of Length in Meter and Centimeter
6.1.5.2. Subtraction of Lengths
6.1.6. Word Problems
7. Geometry
8. Time
9. Patterns
10. Data Handling