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Ed Johnson

  • Phi in Constructions (Golden Ratio)

    Activity

    Ed Johnson

  • Quadrilateral Challenge

    Activity

    Ed Johnson

  • Trig Ratios

    Activity

    Ed Johnson

  • Rotational Transformations

    Activity

    Ed Johnson

  • Composition of Transformations

    Activity

    Ed Johnson

  • Quadratics Vertex Form

    Activity

    Ed Johnson

  • 3Act Spokes

    Activity

    Ed Johnson

  • 3Act Spokes

    Activity

    Ed Johnson

  • Intersecting Secants - Lengths

    Activity

    Ed Johnson

  • Intersecting Secants - Angles

    Activity

    Ed Johnson

  • Intersecting Chords - Length

    Activity

    Ed Johnson

  • Right Triangle Trig Ratios

    Activity

    Ed Johnson

  • Right Triangle Trig

    Activity

    Ed Johnson

  • Right Triangle Trig

    Activity

    Ed Johnson

  • Angle Bisector Proportionality Theorem

    Activity

    Ed Johnson

  • Draw a parallel line without parallel tool.

    Activity

    Ed Johnson

  • Pythagorean Theorem Proof without Words

    Activity

    Ed Johnson

  • Proofs Without Words

    Book

    Ed Johnson

  • POW #23 Circle and points

    Activity

    Ed Johnson

  • converse of pythagorean theorem

    Activity

    Ed Johnson

  • converse of pythagorean theorem

    Activity

    Ed Johnson

  • converse

    Activity

    Ed Johnson

  • Park Sprinkler

    Activity

    Ed Johnson

  • Meet for Lunch

    Activity

    Ed Johnson