of Pisa (c. 1170 – 1250), was an Italian mathematician who was
born in Pisa, Italy. Find Pisa, Italy using Google
Earth and explore Pisa and Italy. For example, what countries border Italy?
Is Pisa is port city or a mountain city? Support
Italy Research Task:
On an index card, please list on three (3) things that you
have learned about Pisa, Italy and to list one (1) thing that you would
still like to learn.
Post your notes on the Fibonacci
Blog. Share your observations with your
classmates. For example, What do you think
life is like in Pisa, Italy? What do you think life was like
in Pisa during Leonardo's lifetime?
Then respond to at least three (3) fellow classmates' postings, using
Grade 4 ELA standards.
Due Date: Tomorrow a.m.
was also known as Leonardo Pisano and Leonardo Fibonacci.
In addition to being famous for the Fibonacci sequence, he also published
a book called Liber Abaci, or Book of Calculation.
His book, Liber Abaci, or Book of Calculation,
describes the rules we all now learn in elementary school for adding
numbers, subtracting, multiplying and dividing.
He was one of the first people to introduce the Hindu-Arabic number system
into Europe. This is based on ten digits with its decimal point and
a symbol for zero.
Leonardo posed the problem of "How Many Pairs of Rabbits
Are Created by One Pair in One Year?" in his Book of Calculation.
Although he is known as the creator of the Fibonacci Sequence, he most
likely included this problem that had already been developed by Indian
scholars. In his book he says that he included the information to
"make their use more commonly understood in his native
The French mathematician Edouard Lucas (1842-1891) gave the name Fibonacci
numbers to the series.
here to learn about the Rabbit Puzzle that Leonardo included in his book.