Proportion Playground
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About
Topics
- Ratios
- Proportional Reasoning
- Unit Rate
Description
Play with ratios and proportions by designing a necklace, throwing paint balloons, playing billiards, or shopping for apples! Make predictions about proportions before they are revealed.
Sample Learning Goals
- Use a ratio as a descriptive characteristic
- Compare the meaning of a ratio in different contexts
- Use scaling to build proportions or find a missing value in a proportion
- Simplify ratios to build proportions or find a missing value in a proportion
- Use multiplicative reasoning to solve problems
For Teachers
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
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Authors | Level | Type |
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| Patterns and Ratios |
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Ian Whitacre, Sebnem Tekin | MS K-5 |
Guided |
| Making Green Paint |
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Michael Matassa | MS | Discuss Guided |
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| CCSS Math Alignment with Sims |
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Amanda McGarry | MS HS K-5 |
Other | |
| Unit Rate as Slope | Cary Hoste | MS HS |
Guided Other |
Translations
Related Simulations
Software Requirements
| Windows 7+ | Mac OS 10.7+ | iPad and iPad Mini with iOS | Chromebook with Chrome OS |
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Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Chrome.
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Safari 9+, latest version of Firefox, latest version of Chrome.
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Latest version of Safari
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Latest version of Chrome
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Credits
| Design Team | Third-party Libraries | Thanks To |
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