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 
 7.2.4.2. Subtraction of Weight 
 7.2.4.2.1. Subtraction of Weight in Kilogram or Gram 
 7.2.4.2.2. Subtraction of Weight in Kilogram and Gram 
 8. Geometry 
 9. Time 
 10. Patterns 
 11. Data Handling 
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