1. Integers
2.1. Fractions
2.1.2. Unit Fraction
2.1.4. Equivalent Fractions
2.1.5. Simplest Form of a Fraction
2.1.6. Comparing Fractions
2.1.7. Operations on Fractions
2.1.7.1. Addition of Fractions
2.1.7.1.1. Addition of Like Fractions
2.1.7.1.2. Addition of Unlike Fractions
2.1.7.1.3. Addition of Mixed Fractions
2.1.7.2. Subtraction of Fractions
2.1.7.4. Multiplication of Fractions
2.1.7.5. Division of Fractions
2.1.7.6. Simplification by Using Operations
2.1.7.7. Word Problems on Fractions
2.2. Decimals
14. Symmetry