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Arthur Lee

  • 2 non-congruent triangles with 5 equal parts

    Activity

    Arthur Lee

  • Circles, angles and chords

    Book

    Arthur Lee

  • Workshop samples

    Book

    Arthur Lee

  • find the angles

    Activity

    Arthur Lee

  • Problem Samples for GGB Classroom

    Book

    Arthur Lee

  • polygon patterns making

    Activity

    Arthur Lee

  • Art and Design

    Book

    Arthur Lee

  • isosceles hunt 2

    Activity

    Arthur Lee

  • isosceles hunt 1

    Activity

    Arthur Lee

  • number machine

    Activity

    Arthur Lee

  • make your number machine

    Activity

    Arthur Lee

  • epidemic model calculation quiz

    Activity

    Arthur Lee

  • exponential and logistic growth

    Activity

    Arthur Lee

  • SIR Model

    Activity

    Arthur Lee

  • logistic growth rate

    Activity

    Arthur Lee

  • epidemic model calculation 2

    Activity

    Arthur Lee

  • Simulate Spread of Disease

    Activity

    Arthur Lee

  • Isosceland

    Book

    Arthur Lee

  • Hinging Triangles

    Activity

    Arthur Lee

  • PMC 2012-13 Q4

    Activity

    Arthur Lee

  • Simple Tangram

    Activity

    Arthur Lee

  • PMC 2011-12 Q9

    Activity

    Arthur Lee

  • PMC 2008-09 Q5

    Activity

    Arthur Lee

  • another triangle ABC cut into 2

    Activity

    Arthur Lee