- Concept of Percentage
- Problem-Concept of Percentage
- Problem on Percentage by Using Unitary Method
- Problem on Percentage by Using Proportion
- Ordering fractions using percentage
- Solve Real Life Problems Involving Percentages
- Problem-Solve Real Life Problems Involving Percentages
- Percentages, Fractions and Decimals
- Finding the Percentage of a Number

- Antecedent and Consequent
- Problem-Antecedent and Consequent
- Reduced Form of a Ratio
- Problem-Reduced Form of a Ratio
- Equivalent Ratios
- Problem-Equivalent Ratios
- Relation Between Ratio and Fraction
- Problem-Relation Between Ratio and Fraction

- Introduction to Proportion
- Problem 1: Introduction to Proportion
- Problem-Concept of Proportion
- Types of Proportion
- Problem-Direct Proportion
- Problem-Inverse Proportion
- Problem-Types of Proportion
- Solving Problem Involving Inverse Proportion
- Problem-Solving Problem Involving Direct Proportion
- Direct Variations
- Problem-Introduction to Direct and Inverse Variation
- Direct Proportion
- Inverse Proportion
- Solving Word Problem by Using Unitary Method
- Solving Word Problem by Using Proportion Method
- Solving Problem Involving Direct Proportion