This manipulative provides opportunities to:
Explore the distance between two objects, temperatures, or objects with two elevations
Transition between objects and points on the number line
Express the distance between objects as absolute value or directed distance
Orient the number line horizontally or vertically
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.
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Simulation by PhET Interactive Simulations, University of Colorado Boulder, licensed under CC-BY-4.0 (https://phet.colorado.edu)
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