2. Addition
3. Subtraction
5. Division
6. Fractions
7. Measurement
7.2.1. Identify - Light or Heavy
7.2.2. Unit of Weight
7.2.4.1. Addition of Weight
7.2.4.1.1. Addition of Weight in Kilogram or Gram
7.2.4.1.2. Addition of Weight in Kilogram and Gram
7.2.4.2. Subtraction of Weight
8. Geometry
9. Time
10. Patterns
11. Data Handling