Khan Academy
Khan Academy: Vi Hart: Open Letter to Nickelodeon
Video explaining how spirals show up in nature, demonstrating the Fibonacci series. Demonstrates that the pineapple in Sponge Bob does not exhibit spirals as found in nature. [1:58]
![Khan Academy: Spirals, Fibonacci, and Being a Plant [1 of 3] Instructional Video](https://content.lessonplanet.com/knovation/original/379020-2c5c9fb03fca43c0f43891d49989714c.jpg?1661604492 "Khan Academy: Spirals, Fibonacci, and Being a Plant [1 of 3] Instructional Video")
Khan Academy
Khan Academy: Spirals, Fibonacci, and Being a Plant [1 of 3]
Video explaining the progression of the Fibonacci series and giving examples of how the progression shows up in pine cone and flower spirals. [5:55]
Khan Academy
Khan Academy: Spirals, Fibonacci and Being a Plant: Open Letter to Nickelodeon
Video explaining how spirals show up in nature, demonstrating the Fibonacci series. Demonstrates that the pineapple in Sponge Bob does not exhibit spirals as found in nature.
Khan Academy
Khan Academy: Algebra I: Explicit and Recursive Definitions of Sequences
An introduction to finite and infinite sequences. [8:18]