# Math Curriculum

## Level DUnit: Ratios and ProportionsKey Lesson 6.2.8 How Much for One? (Equivalent Ratios)

Lesson topic: Introduction to unit rate concepts

## Instructor Materials

• Teacher guide
• Slides
• Practice Problems resource
• CCRS standard: 6.RP.3b
• Learning goal: Calculate equivalent ratios between prices and quantities and present the solution method (using words and other representations). Calculate unit price and express it using the word “per” (orally and in writing). Understand the phrase “at this rate” indicates that equivalent ratios are involved.
• 6.2 Assessment and Practice Problems

## Related Lessons

There are no related lessons for this key lesson.

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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