3. Addition
4. Subtraction
6. Division
7. Fractions
8. Measurement
8.2.1. Metric Units of Weight
8.2.4.1. Addition of Weights
8.2.4.2. Subtraction of Weight
8.2.4.2.1. Subtraction of Weight in Kilogram or Gram
8.2.4.2.2. Subtraction of Weight in Kilogram and Gram
8.2.5. Word Problems on Weights
9. Time
10. Geometry
11. Symmetry
12. Data Handling