6. Integers
7. Fractions
7.6. Unit Fraction
7.8. Equivalent Fractions
7.10. Comparing Fractions
7.11. Operations on Fractions
7.11.1. Addition of Fractions
7.11.2. Subtraction of Fractions
7.11.2.1. Subtraction of Like Fractions
7.11.2.2. Subtraction of Unlike Fractions
7.11.2.3. Subtraction of Mixed Fractions
8. Decimals
10. Mensuration
11. Algebra
13. Symmetry