A Very Cute Fibonacci Identity

Explore a fascinating Fibonacci identity for even index numbers in this 13-minute math video that uses combinatorial arguments involving tiling rows of squares. Learn how to find Fibonacci terms without calculating all previous values, then see how the proof extends to odd indices as well. The video walks through examples, establishes the relationship between tilings and Fibonacci numbers, and provides a complete proof of these elegant mathematical shortcuts. Perfect for math enthusiasts interested in number theory and combinatorial proofs.