Unit: Ratios and Proportions
Key Lesson 7.2.2 Introducing Proportional Relationships with Tables
Lesson topic: Constant of proportionality
- Teacher guide
- Practice Problems resource
- CCRS standard: 7.RP.2, 7.RP.2a, 7.RP.2b
- Learning goal: Comprehend that the phrase “proportional relationship” (in spoken and written language) refers to when two quantities are related by multiplying by a “constant of proportionality.” Describe (orally and in writing) relationships between rows or between columns in a table that represents a proportional relationship. Explain (orally) how to calculate missing values in a table that represents a proportional relationship.
- 7.2 Assessment and Practice Problems
If students need additional lessons before this key lesson, use these supplemental lessons.
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