


What are the key differences between direct and inverse proportions? Can a relationship be neither a direct nor an inverse proportion?
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- What is the basic property of proportions?
- What is a triplicate ratio? What is the triplicate ratio of a b?
- What is the unemployment rate (which can be expressed as a ratio)?
- Expressing probabilities as ratios of favorable outcomes to total possible outcomes.
- How is a rate different from a ratio? A car travels at a speed of 60 miles per hour. Is this a ratio or a rate?
- Comparing data points at different time periods using ratios.
- In the proportion a b = c d, what are the means? In the proportion a b = c d, what are the extremes?
- What is the ratio of 1 meter to 50 centimeters?
- Give an example of a ratio with different units that is also a rate (e.g., speed).
- Comparing unit prices at the grocery store.
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