## Percentage

- Percentage Provides an Easy Way to Compare Fractions
- Changing Fractions to Percents and Percents to Fractions
- Decimals, Percents and Fractions
- Comparing Percentages
- Very Small Percentages
- Common Percentages
- Summary: The Meaning of Percentage
- Reviewing Proportion
- Practical Problems Involving Percent and Proportion
- Setting Up the Proportion and Determining What's Being Compared to What
- A Problem About Profit
- Applying Common Sense
- A Few Problems Involving Money
- Summary: Percent in Word Problems
- Percent and Proportion
- Finding Percents of Unknown Numbers
- Percents in Steps
- A Problem Involving Interest
- Summary: More Problems in Percent

## Ratio and Proportion

- Defining Ratio and Proportion
- Knowing Whether Two Fractions are Equal
- Simplifying the Comparing of Fractions by Cross Multiplying
- Solving Word Problems Involving Proportions
- A Problem in Which the Denominator is Missing
- Proportions in the Use of Map Scales
- A Practical Problem: French Toast
- Summary: Ratio and Proportion