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Perfectly Proportionate… or Are They?

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Subject: Math

Lesson Length: 25 - 35 mins

Topic: Ratios and Proportional Relationships; Proportional Relationships

Grade Level: 7

Standards / Framework:

Brief Description: Analyze proportional relationships and use them to solve real-world and mathematical problems. 

Know Before You Start: Students should be familiar with proportional quantities prior to this lesson. This lesson could be used as a formative assessment to gauge student understanding of proportional quantities.

Hook:

  • Have students turn to a partner and explain how they know if two quantities are proportional. Share several responses to check for understanding.

Activity:

  • Have students choose one of the sample comic panels and respond to the following:

    • If they are proportional, explain and justify how you know.

    • If they are not proportional, explain and justify how you know and provide a number that would make the relationship proportional.

    • Use a caption at the top of you comic to denote which sample comic you are referring to (1 or 2).

  • Have students create a comic explaining whether or not the two quantities in the sample they chose are proportional. 

Closure:

  • As a class, have students decide which sample comic panel is proportional and which is not.

Differentiation:

  • Allow students to use the speech-to-text feature. 
  • Provide sentence frames or key words as needed.
  • Allow students to work with a partner.

Resources:

  • Comic to print or display: Comic.

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