Investigate the growth rates of alien animals. Pupils study fictional animals from another planet to determine how much they grow per year. The investigators plot the growth of their animals over a period of time and then compare them to two other species. The performance task is one in a series of eight.

Concepts

ratios, proportional reasoning, proportions, unit rates, animals, growth rate, constant of proportionality, graphing

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Additional Tags

math

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Instructional Ideas

• Assign each class member an animal to make groups with the same animal
• Use a museum walk with the posters to save time

Classroom Considerations

• The class should be familiar with ratios and proportions

Pros

• Includes a scoring rubric with details on point values
• Comes as a Word document, allowing for easy editing

Cons

• The life span data in the solution table has errors

Common Core

7.RP.A.1 7.RP.A.2.a 7.RP.A.2.b 7.RP.A.2.d 7.NS.A.2.a 7.NS.A.3 MP4 MP5