Pan Balance Expressions
"This interactive pan balance allows numeric or algebraic expressions to be entered and compared. You can "weigh" the expressions you want to compare by entering them on either side of the balance. Values for "x" can be entered and will display on a graph. Using this interactive tool, you can practice arithmetic and algebraic skills, and investigate the important concept of equivalence."
Students can determine a value for x, write two algebraic expressions and watch as this web resource displays a graph and a solution for each.
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Originator:
eduToolbox® is a resource-sharing portal developed by the Ayers Institute for Learning & Innovation with collaborative support and funding from the Tennessee Department of Education and the U.S. Department of Education's Math & Science Partnership program.