**Unit 5: Proportional Reasoning**

*This unit should take approximately 11 instructional days**

*This unit should take approximately 11 instructional days**

Students will understand that…

- Unit rates can be derived from any ratio
- There are multiple methods to model equivalent ratios
- The terms unit rate and constant of proportionality are interchangeable
- The constant of proportionality can be identified in a table or on a graph
- Proportions can be used to solve for a missing value in a ratio
- Similar figures have congruent angles and proportional side lengths
- It is possible to find actual measurements when given a scale drawing or scale model

Essential Vocabulary: