Ratio and Proportion Words
In short: Ratio and proportion vocabulary: 23 terms on ratios, unit rates, percents, scale drawings, and proportional relationships, each defined in plain words with a small real-world example for easy review.
Ratio, rate, unit price, percent change, scale factor, equivalent ratio, constant of proportionality: the ratio and proportion vocabulary on this page names every idea used when two quantities are compared. Each entry gives a one-sentence definition and a real-world example, such as a recipe, a map, or a sale price.
Students from 6th Grade up through Algebra 1 meet these words repeatedly, often in word problems that hide the vocabulary inside a story. Keep the list next to your worksheet to translate the story into math, or print it before a test and quiz yourself on telling a rate from a ratio at a glance.
23 words on this page, each with a definition, a figure, a solved example and two quick questions.
Ratio and Proportion Words: the full list
6th Grade
- Conversion Factor
- Double Number Line
- Equivalent Ratios
- Percent
- Rate
- Ratio
- Ratio Table
- Tape Diagram
- Unit Price
- Unit Rate
7th Grade
- Commission
- Constant of Proportionality
- Cross Multiplication
- Discount
- Markup
- Percent Change
- Percent Decrease
- Percent Error
- Percent Increase
- Proportion
- Proportional Relationship
- Sales Tax
- Simple Interest