Extra Credit

2. At age ten, he surprised his teacher by adding all the numbers from 1 to 100 instantly.
5. Lattice multiplication.
8. Presented a list of 23 important unsolved mathematical problems.
9. Sometimes called “the father of algebra” and wrote an influential series of books called the “Arithmetica.”
11. Arabic word from which algebra was derived.

1. The Scottish mathematician who published his discovery of logarithms in 1614.
3. Introduced a method of solving geometric problems using rectangular coordinates.
4. One of the earliest surviving mathematical texts from China.
6. The most famous woman mathematician of antiquity.
7. Leonardo of Pisa.
10. The most prolific mathematician in history.