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Ratio and Proportion



This manipulative provides opportunities to:

  • Explore ratios with movable hands and either a blank or lined background

  • Use two hand heights and describe the ratio relationship between them

  • Create challenges for keeping a consistent ratio relationship between the two hands

PhET also provides translated versions of the simulation in multiple languages, teacher created activities, and with a free account you can access their teaching resources.

What are your thoughts on this virtual manipulative? Do you have experience using it in your classroom? Please support others by rating this virtual manipulative and sharing feedback in the comments section below.

Simulation by PhET Interactive Simulations, University of Colorado Boulder, licensed under CC-BY-4.0 (

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