Math Spirals In Nature
You can find spirals in
- a seashell
- a spider web
- flower petals
- cauliflower florets
- pine cones
- seeds of a sunflower
Spirals Are Fibonacci Numbers.
Fibonacci numbers are the pattern where each number is the sum of the two previous numbers. 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144 and on to infinity. The ratio between the numbers (1.618034) is called the golden ratio. Spirals are Fibonacci numbers.
Learn several ways to count spirals from the Museum of Mathematics.
Learn About Spirals With Observation
The best way for kids to learn about spirals? Find and observe.
- Nature walk
- Nature journal
Adapt this handout, Nature’s Numbers from The Franklin Institute, for when you search for spirals.
Watch a video about plants and spirals.
Spirals are often found in architecture and buildings. Go on a Spiral scavenger hunt. [printable version]
Find a . . .
Make your own spirals
Use your artist’s journal or camera and make your own spiral book.
Read Books About Spirals
Swirl By Swirl: Spirals in Nature by Joyce Sidman
Growing Patterns by Sarah Campbell
Math Curse by Jon Scieszka
Spirals are everywhere.
What will you do with your kids to learn about spirals?
Download my "Can't Put 'Em Down" book lists for your kids ages 3 - 13.
Also, I'll send you a bonus "23 Reasons to Read" printable poster!