Instructional Video

Khan Academy: Tree Challenge (Video)

Curated by ACT

In this video (1:152) poses the question: How can trees be combined to count robots with many parts? Now, we need three kinds of parts; heads, bodies, and arms which can't be done with the table. See if you can combine the two diagrams to show that there are six different combinations of robots.

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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Practice