Reflection: Joy Number Tricks - Section 2: Math Magic


As students started to talk with their group I started to hear “Wait, you got 3 too?”  and “Everyone got 3!” and “Why did everybody get 3?”.  This trick excited students and got them asking great questions and looking for connections.  It also motivated them to dig into the mathematical reasoning in the next section of the lesson.  The next day a student told me that he had enjoyed using the trick on his younger brother.

  The Joy of Number Tricks
  Joy: The Joy of Number Tricks
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Number Tricks

Unit 6: Expressions, Equations, & Inequalities
Lesson 15 of 20

Objective: SWBAT: • Define and identify inverse operations • Represent number tricks using algebra tiles • Explain why number tricks work using algebra tiles

Big Idea: Why do these number tricks work? How do these tricks connect to inverse operations? Students work with algebra tiles to understand how and why these number tricks work.

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4 teachers like this lesson
Math, Algebra, Expressions (Algebra), 6th grade, master teacher project, inverse operations
  50 minutes
unit 6 15 image
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