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Proportional Reasoning

Proportional Reasoning. Review for Unit Test. What is the scale factor?. What is the ratio of volumes?. If the scale factor is “X,” what is the ratio of volumes?. For every 4 beans in the bag, there is one with a speckle. A bag of 274 beans has how many speckled beans?.

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Proportional Reasoning

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  1. Proportional Reasoning Review for Unit Test

  2. What is the scale factor?

  3. What is the ratio of volumes?

  4. If the scale factor is “X,” what is the ratio of volumes?

  5. For every 4 beans in the bag, there is one with a speckle. A bag of 274 beans has how many speckled beans?

  6. Scale on a map is ¼ inch = 2 feet. The distance on the map is 3 ½ inches. How far apart are the two objects in real life?

  7. Which has a relationship of 1:4? • Head to legs on an ostrich • Head to legs on a cow • Head to legs on 2 people • Head to legs on a spider

  8. It takes 4 hours to travel 464 miles. How long will it take to travel 100 miles?

  9. If it takes 7 hours to travel 250 miles, how many miles can be traveled in 4 hours?

  10. Describe the difference between directly, non, and inversely proportional. Use specific real world examples.

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