# Math Curriculum

## Level DUnit: PercentKey Lesson 6.3.11 Percentages and Double Number Lines

Lesson topic: Double number lines with percents

## Instructor Materials

• Teacher guide
• Slides
• Practice Problems resource
• CCRS standard: 6.RP.3c
• Learning goal: Comprehend a phrase like “A% of B” (in written and spoken language) to refer to the value that makes a ratio with B that is equivalent to A : 100. Explain (orally) how to use a double number line diagram or table to solve problems such as A% of B is ? and A% of ? is C. State explicitly what one is finding the percentage of.
• 6.3 Assessment and Practice Problems

## Related Lessons

### Preparation

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

### Review and Extend

Use these supplemental lessons if needed after teaching 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/.

2. Adaptations and updates to IM K-5 Math are copyrighted 2019 by Illustrative Mathematics®, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

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®.

4. This site includes public domain images or openly licensed images that are copyrighted by their respective owners. Openly licensed images remain under the terms of their respective licenses. See the image attribution section for more information.

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