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Students investigate linear functions with positive slopes by trying to guess the slope and intercept from inputs and outputs. Positive Linear Function Machine is one of the Interactivate assessment explorers.

Create a tessellation by deforming a triangle, rectangle or hexagon to form a polygon that tiles the plane. Corners of the polygons may be dragged, and corresponding edges of the polygons may be dragged. Parameters: Colors, starting polygon.

Sort colored shapes into a Venn diagram based on various characteristics. Venn Diagram Shape Sorter is one of the Interactivate assessment explorers.

This worksheet is for use with the Graphit activity (http://www.shodor.org/interactivate/activities/Graphit/).

This worksheet is for use with the Possible or Not activity (http://www.shodor.org/interactivate/activities/PossibleOrNot/).