Article
Lawrence Berkeley National Laboratory

Berkeley Lab: Did You Ever Wonder? Why the Digits of Pi Look Random?

For Students 9th - 10th
Students investigate the randomness of the digits of pi. The article discusses David Bailey, experimental mathematics, and numerical algorithms. The resource consists of pictures, quotes, and links to additional resources.
Activity
Texas Instruments

Texas Instruments: Dividing Fractions

For Teachers 5th - 8th Standards
In this activity, students make use of a visual representation for dividing fractions. They also discover the numerical algorithm used to divide fractions.
Article
Other

Ibm: Mastering Recursive Programming

For Students 9th - 10th
A discussion of how to write a correct recursive algorithm. Numerous examples are given in several different programming languages.