Handout
Math Is Fun

Math Is Fun: Nature, the Golden Ratio, and Fibonacci, Too

For Students 9th - 10th
Looks at how spirals form in nature when cells reproduce in a flower, for example. An interactive lets students try entering different values to see if they can make a spiral pattern with no gaps. The correct figure would be the Golden...
Handout
Math Open Reference

Math Open Reference: The Golden Rectangle

For Students 9th - 10th
Gain an understanding of the golden rectangle with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.