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David Umana

  • Prime Factorization Tool

    Activity

    David Umana

  • Axis of SymmetryCalc

    Activity

    David Umana

  • Base of Pyramid/Cone

    Activity

    David Umana

  • Plot Random Points

    Activity

    David Umana

  • Area of Triangle

    Activity

    David Umana

  • Area of Parallelogram

    Activity

    David Umana

  • Vertex Form (a=1)

    Activity

    David Umana

  • Parabola Intro (Vertex Form)

    Activity

    David Umana

  • Piggy Bank Problem

    Activity

    David Umana

  • StrandbeestLeg 2

    Activity

    David Umana

  • Strandbeest Animation (4 legs)

    Activity

    David Umana

  • Strandbeest Animation

    Activity

    David Umana

  • Savings Account Template

    Activity

    David Umana

  • HexagonProject

    Activity

    David Umana

  • Reuleaux Triangle

    Activity

    David Umana

  • Dudeney Dissection:Triangle to Rectangle

    Activity

    David Umana

  • Square Mistakes.

    Book

    David Umana

  • Standard Form

    Activity

    David Umana