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Using Polypad: Algebra


This task provides an overview of using the Algrebra Tiles. Below are the topics covered.

  • Algebra Tiles
  • The Balance Scale

Algebra Tiles

Dragging Algebra Tiles on top of each other creates a zero pair.

The Balance Scale

All objects above the Balance Scale in the tile panel have an initial starting value of 1. The initial x value is 5 and the initial y value is 4. Select the scale and click on "Balance" at the bottom of the canvas to assign a new value to the object or variable so the scale will be balanced.

Objects can be assigned negative values.

Objects can be assigned fractional values.

Assigned values remain saved to the object and variable within the canvas and on saved canvasses. This feature works with the Algebra tiles as well.

Define variables first to create systems of equations to then share with others. The example below shows how to set up the system 5x-7=3y and 2y+10=4x.

Here is one example of how to use the Polypad tiles to solve this system of equations.

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Visit the Activities page to see lesson plans, student explorations, puzzles, and teaching ideas. Visit the Tutorial page to learn more about using Polypad.