3. Addition

4. Subtraction

6. Division

7. Fractions

8. Measurement

8.2.1. Metric Units of Weight

8.2.4.1. Addition of Weights

8.2.4.1.1. Addition of Weight in Kilogram or Gram

8.2.4.1.2. Addition of Weight in Kilogram and Gram

8.2.4.1.3. Addition of Weights in Grams and Milligrams

8.2.4.2. Subtraction of Weight

8.2.5. Word Problems on Weights

9. Time

10. Geometry

11. Symmetry

12. Data Handling