3 Act Math

enVision Mathematics: 3-Act Math Modeling

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The enVision 6-12 Mathematical Modeling in 3 Acts lessons present students with the opportunity to model conceptual thinking in real-world situations. Lessons require students to identify essential variables, formulate models from those variables, perform operations using the model, interpret the results of those operations, and validate the conclusions of those results. It all takes place within three simple acts.

3-Act Modeling Helps Students Think Mathematically

enVision Integrated Math 3-act math image.
enVision Integrated Mathematics 3 act math modeling overview.

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Act 1: The Hook

A video engages students, followed by a brainstorm of possible question/answer situations.

Act 2: The Model

Students develop mathematical models to arrive at a solution.

Act 3: The Resolution

A video helps learners explain differences between their own conjectures and the actual solution.

Try a 3-Act Math Modeling Lesson! 

Download these free resources for your classroom.

Grade 6, Topic 4

3-Act Math Modeling Lesson: Checking a Bag

  • Teacher’s Edition Pages
  • Student’s Edition Pages
  • Act 1 Video
  • Act 2 Images
  • Act 3 Video
enVision Integrated Math 3 act math modeling Checking a Bag sample lesson.

Grade 7, Topic 2

3-Act Math Modeling Lesson: Mixin’ It Up

  • Teacher’s Edition Pages
  • Student’s Edition Pages
  • Act 1 Video
  • Act 2 Images
  • Act 3 Video

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enVision Integrated Math 3 act math modeling Mixin’ It Up! sample lesson.

Grade 8, Topic 5

3-Act Math Modeling Lesson: Ups and Downs

  • Teacher’s Edition Pages
  • Student’s Edition Pages
  • Act 1 Video
  • Act 2 Video
  • Act 3 Video
enVision Integrated Math 3 act math modeling Ups and Downs sample lesson.

Integrated 1, Topic 3

Mathematical Modeling in 3 Acts Lesson: The Express Lane

  • Teacher’s Edition Pages
  • Student Edition Pages
  • Act 1 Video
  • Act 2 Video
  • Act 3 Video
enVision Integrated Math 3 act math modeling Algebra 1 sample lesson.

Integrated II, Topic 12

Mathematical Modeling in 3 Acts Lesson: Earth Watch

  • Teacher’s Edition Pages
  • Student Edition Pages
  • Act 1 Video
  • Act 2 Video
  • Act 3 Video

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enVision Integrated Math 3 act math modeling Geometry sample lesson.

Integrated III, Topic 4

Mathematical Modeling in 3 Acts Lesson: The Snack Shack

  • Teacher’s Edition Pages
  • Student Edition Pages
  • Act 1 Video
  • Act 2 Video
  • Act 3 Video
enVision Integrated Math 3 act math modeling Algebra 2 sample lesson.

enVision 6-12 Common Core

enVision 6-12

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  Sample 6-8  

Sample Integrated Mathematics