4. Integers
6. Fractions
7. Decimals
9.1. Ratio
9.1.1. Terms of a Ratio
9.1.2. Equivalent Ratio
9.1.3. Ratio in the Simplest Form
9.1.5. Comparison of Ratios
9.1.6. Word Problems on Ratio
9.2. Proportion
10. Unitary Method
13. Mensuration
14. Geometry
16. Linear Symmetry
17. Data Handling