Task Teacher Guide
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In This Task…
Students will explore the idea that different rectangles can have the same area. Therefore, rectangles that have the same area do not necessarily have the same length and width.
Intentionality…
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Spark
What Do You Notice? What Do You Wonder?
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Sense Making
Crafting A Productive Struggle: Prompt
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During Moves
While Students Are Productively Struggling…
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Student Approach #1: Guess and Check with a Concrete Model
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Student Approach #2: Halving with Digital Tiles
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Student Approach #3: Using Known-Facts
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Next Moves
Consolidation: Making Connections
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Reveal
Show students the following reveal video:
Here is a final screenshot from the video revealing the different possibilities.

Reflect
Provide students an opportunity to reflect on their learning by offering these consolidation prompts to be completed independently.
Consolidation Prompt #1:
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Login/Join to access the entire Teacher Guide, downloadable slide decks and printable handouts for this lesson and all problem based units. We suggest collecting this reflection as an additional opportunity to engage in the formative assessment process to inform next steps for individual students as well as how the whole class will proceed.Download Editable/Printable Handout
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Resources and Downloads
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Videos & Images

Keynote Slides

PowerPoint Slides

Printable Handout

Explore The Entire Unit of Study
This Make Math Moments Task was designed to spark curiosity for a multi-day unit of study with built in purposeful practice, and extensions to elicit and emerge mathematical models and strategies. Click the links at the top of this task to head to the other related lessons created for this unit of study.Consolidation Prompt #1
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Consolidation Prompt #2
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Download Editable/Printable Handout
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