Key takeaway: Ratio and percent terms describe how two quantities compare, from a ratio and a unit rate to a proportional relationship, percent change, sales tax and simple interest.
Ratios, rates and percents are the math of everyday decisions: which package is cheaper, how much a tip should be, how fast a runner is going. These ratio and percent terms come from the Grade 6 and Grade 7 standards, where this topic takes the most class time.
Each word links to a page with a diagram, often a tape diagram or a double number line, and a real-life problem solved step by step.
23 terms on this page, each with a definition, a figure and a worked example.
Ratio and Percent Terms: the full list
Grade 6
- Conversion Factor 6.RP.A.3d
- Double Number Line 6.RP.A.3
- Equivalent Ratios 6.RP.A.3a
- Percent 6.RP.A.3c
- Rate 6.RP.A.2
- Ratio 6.RP.A.1
- Ratio Table 6.RP.A.3a
- Tape Diagram 6.RP.A.3
- Unit Price 6.RP.A.3b
- Unit Rate 6.RP.A.2
Grade 7
- Commission 7.RP.A.3
- Constant of Proportionality 7.RP.A.2b
- Cross Multiplication 7.RP.A.2c
- Discount 7.RP.A.3
- Markup 7.RP.A.3
- Percent Change 7.RP.A.3
- Percent Decrease 7.RP.A.3
- Percent Error 7.RP.A.3
- Percent Increase 7.RP.A.3
- Proportion 7.RP.A.2
- Proportional Relationship 7.RP.A.2a
- Sales Tax 7.RP.A.3
- Simple Interest 7.RP.A.3