India
2. Arithematic
2.1. Numbers
2.3. Fractions
2.3.3. Equivalent Fractions
2.3.4. Simplest Form of a Fraction
2.3.5. Comparing Fractions
2.3.6. Operations on Fractions
2.3.6.1. Addition
2.3.6.1.1. Addition of Fractions
2.3.6.1.2. Word Problems on Addition of Fractions
2.3.6.2. Subtraction
2.3.6.3. Multiplication
2.3.6.4. Division
2.3.6.5. Simplification by Using Operations
2.5. Decimals
2.6. Unitary Method
2.7. Rounding Numbers
2.8. Percentage
2.9. Profit and Loss
2.10. Simple Interest
2.12. Mensuration
2.13. Time
2.14. Data Interpretation