Omjer i proporcija

Omjer i proporcija Snimka ekrana  Preuzimanje  Ugrađivanje


Play with the left and right hands in different ways, and explore ratio and proportion. Start on the Discover screen to find each challenge ratio by moving the hands. Then, on the Create screen, set your own challenge ratios. Once you've found a challenge ratio, try to move both hands while maintaining the challenge ratio through proportional reasoning.

Uzorak ciljeva učenja

  • Understand the concept of a ratio and use ratio language to describe a ratio relationship between two hand heights.
  • Understand the concept of a unit rate a/b associated with a ratio a:b, and use rate language in the context of a ratio relationship.
  • Recognize and represent proportional relationships between hand heights.
Verzija 1.0.0

Savjeti učitelja

Download teacher tips PDF Pregled kontrole simulacije, pojednostavljenje modela i uvid u učenička razmišljanja ( PDF ).

Video (Primer)

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Sound Features

Aktivnosti predane od strane učitelja

HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems on modern web browsers. If you are experiencing issues using an HTML5 sim on a supported platform, please disable any browser extensions.

iOS 12+ Safari
iPad compatible sims

Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.

Latest version of Google Chrome
The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims

Windows Systems:
Microsoft Edge, latest version of Firefox, latest version of Google Chrome.

Macintosh Systems:
macOS 10.13+, Safari 13+, latest version of Chrome.

Linux Systems:
Not officially supported. Please contact with troubleshooting issues.

Dizajnerski tim Biblioteke treće strane Zahvale
  • Michael Kauzmann (developer)
  • John Blanco (developer)
  • Brett Fiedler
  • Emily B. Moore
  • Matthew Moore
  • Taliesin Smith
  • Amanda McGarry
  • Ashton Morris (sound design)
  • Dor Abrahamson and the Embodied Design Research Lab (UC Berkeley)
  • Clement Zheng, Peter Gyory, and Ellen Do from the ACME Lab (CU Boulder ATLAS Institute)