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david_berger

david_berger's resources

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  • Rectangle, Rhombus, Square
    david_berger

    Rectangle, Rhombus, Square

    Activity

  • Vertical Angles and Linear Pairs
    david_berger

    Vertical Angles and Linear Pairs

    Activity

  • Slope Explorations
    david_berger

    Slope Explorations

    Activity

  • Optical Illusion #2
    david_berger

    Optical Illusion #2

    Activity

david_berger's favorite resources

  • Proportions in similar triangles
    GeoGebra Materials Team

    Proportions in similar triangles

    Activity

  • 3.5 Investigation: Proportional Sides
    Brian Streight

    3.5 Investigation: Proportional Sides

    Activity