1. Integers 
 2. Fractions 
 4. Decimals 
 7. Percentage 
 10. Exponents 
 11.1. Variables and Constants 
 11.4.4.1. Multiplication of Monomials 
 11.4.4.3. Multiplication of two Binomials 
 13. Mensuration 
 14. Geometry 
 17. Probability 
 18. Data Handling 
 Global
 Global