Instructional Video

Is All About Math: Triangular Numbers (Part Ii)

Curated by ACT

Continuing the podcast from Triangular Numbers (Part I), the Gaussian formula for summing numbers of an arithmetic sequence is derived with good explanation, and then used for a couple examples.

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CCSS: Adaptable
Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
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Common Core