2. Integers
3. Fractions
3.2. Unit Fraction
3.4. Equivalent Fractions
3.6. Comparing Fractions
3.7.1. Addition of Fractions
3.7.2. Subtraction of Fractions
3.7.4. Multiplication of Fractions
3.7.5. Division of Fractions
3.7.5.1. Reciprocal of a Fraction
3.7.7. Word Problems on Fractions
4. Decimals
7. Percentage
10. Exponents
13. Mensuration
14. Geometry
17. Probability
18. Data Handling