Lab Owner

  • Phet Interactive Simulations

Contact Person

  • Phet Interactive Simulations

Age Range

Booking Required


Registration Required


Embed Link

Works Offline



Build coin expressions, then exchange them for variable expressions. Simplify and evaluate expressions until you are ready to test your understanding of equivalent expressions in the game!

Sample Learning Goals

·        Simplify expressions by combining like-terms

·        Contextualize coefficients and like/unlike-terms

·        Interpret an expression in both abstract and concrete representations

·        Build an expression that is equivalent to a target