数と割合
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組み込む
コンテンツ
- 比
- 比例的推論
- 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.
学習目標例
- 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
Standards Alignment
Common Core - Math
Teacher Tips
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インストラクター用ガイド（pdf）には、PhETチームが作成したヒント集が含まれています。 ( PDF ). |
Video Primer
Teacher-Submitted Activities
| 題名 |
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著者 | レベル | タイプ | Subject |
|---|---|---|---|---|---|---|
| Patterns and Ratios |
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Ian Whitacre, Sebnem Tekin | 小学 中学 |
Guided | 数学 |
| Beaded Factors |
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Heather Politi | 小学 中学 |
Guided | 数学 | |
| Paint Splat: Comparing Ratios |
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Kathyrn Studer, Heather Politi | 中学 | Guided | 数学 | |
| Making Green Paint |
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Michael Matassa | 中学 | Guided Discuss |
数学 | |
| Mixing paint with ratios |
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Jennifer Knudsen, Teresa Lara-Meloy, Amanda McGarry | 中学 | Discuss | 数学 | |
| CCSS Math Alignment with Sims |
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Amanda McGarry | 小学 中学 高校 |
その他 | 数学 | |
| Unit Rate as Slope | Cary Hoste | 中学 高校 |
その他 Guided |
数学 |
The new HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems.
iPad:
iOS 11+ Safari
iPad compatible sims
Android:
Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.
Chromebook:
Latest version of Google Chrome
The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims
Windows Systems:
Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Google Chrome.
Macintosh Systems:
macOS 10.9.5+, Safari 9+, latest version of Firefox, latest version of Chrome.
Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.
| デザインチーム | サードパーティのライブラリ | 謝辞 |
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