# Math Curriculum

## Level DUnit: Ratios and ProportionsKey Lesson 6.3.6 Interpreting Rates

Lesson topic: Unit rate

## Instructor Materials

• Teacher guide
• Slides
• Practice Problems resource
• CCRS standard: 6.RP.2, 6.RP.3b
• Learning goal: Calculate and interpret the two unit rates associated with a ratio, i.e., a/b and b/a for the ratio
a : b. Choose which unit rate to use to solve a given problem and explain the choice (orally and in writing). Comprehend the term “unit rate” (in spoken and written language) refers to a rate per 1.
• 6.3 Assessment and Practice Problems

## Related Lessons

### Preparation

If students need additional lessons before this key lesson, use these supplemental lessons.

Used with permission:

1. IM K-5 Math was originally developed by Open Up Resources (OUR) and authored by Illustrative Mathematics® (IM), and is copyrighted 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's K-5 Math Curriculum is available at https://openupresources.org/math-curriculum/.

3. The Illustrative Mathematics® name and logo are not subject to the Creative Commons license and may not be used without the prior and express written consent of Illustrative Mathematics®.

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