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Make Math Moments Academy › Forums › Mini-Course Reflections › The Concept Holding Your Students Back › Lesson 4-3: Relating Addition and Subtraction – Discussion › Reply To: Lesson 4-3: Relating Addition and Subtraction – Discussion

  • Chris Laurie

    Member
    November 21, 2020 at 10:47 am

    Marianne,

    I’d suggest adding the algebraic expression below. If you are a smartboard ( Smartnotebook 11) user they have a dynamic Scale within the Smart Exchange.

    X – $3.50 = $1.50

    Scale:

    X – 3.50 + 3.50 = $1.50 + 3.50

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