Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for specific answer combinations. 

Concepts

equivalent ratios, ratios, proportional reasoning, proportions, comparing fractions, comparing decimals, rational number order, rational numbers

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Additional Tags

math

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Instructional Ideas

• Have the class provide suggestions to the authors of the sample responses on how to improve their solutions
• Create groups that used the same approach to determine whether they can come up with a different approach to solve the first question

Classroom Considerations

• Class members should be familiar with solving problems using proportional reasoning

Pros

• Resource includes how the question performed on a national assessment
• Contains a table that gives a general description of understandings and misconceptions of pupils achieving a given score

Cons

• None

Common Core

7.RP.A.1 7.RP.A.2.a 7.RP.A.2.b 7.RP.A.2.c 7.RP.A.3 7.NS.A.2.a 7.NS.A.2.b 7.NS.A.3 MP2 MP4