4. Integers 
 6. Fractions 
 6.6. Unit Fraction 
 6.8. Equivalent Fractions 
 6.10. Comparing Fractions 
 6.11. Operations on Fractions 
 6.11.1. Addition of Fractions 
 6.11.2. Subtraction of Fractions 
 6.11.2.1. Subtraction of Like Fractions 
 6.11.2.2. Subtraction of Unlike Fractions 
 6.11.2.3. Subtraction of Mixed Fractions 
 7. Decimals 
 10. Unitary Method 
 13. Mensuration 
 14. Geometry 
 16. Linear Symmetry 
 17. Data Handling 
 Global
 Global