2. Arithematic
2.1. Numbers
2.3. Fractions
2.5. Decimals
2.6. Unitary Method
2.7. Rounding Numbers
2.8. Percentage
2.9. Profit and Loss
2.10. Simple Interest
2.10.2. Calculating Rate of Interest
2.10.3. Calculating Time Period
2.10.4. Calculating the Principal
2.12. Mensuration
2.13. Time
2.14. Data Interpretation