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Dave Johnston

  • Difference of Two Squares

    Activity

    Dave Johnston

  • Copy of Triangle Investigation - Scale factor and Area

    Activity

    Dave Johnston

  • A.3E - Parent Function Transformations

    Activity

    Dave Johnston

  • Similar Triangle Ratios

    Activity

    Dave Johnston

  • NISD Rate of Change / Slope Exploration

    Activity

    Dave Johnston

  • Table of Points for a Linear Equation

    Activity

    Dave Johnston

  • Similarity Ratios

    Activity

    Dave Johnston