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Cuemath
Cuemath: Prime Numbers
Learn about the history of prime numbers, properties of prime numbers, and easy methods to find prime numbers. Included are solved examples and interactive problems for review.
National Council of Teachers of Mathematics
The Math Forum: Elementary Geometry Circles
The Math Forum offers an archive of question and answer sessions on circles and how they relate to geometry.
Other
History World: History of Greek Science
Presents the history of Greek science from the 6th century BC to the 2nd century AD. Navigate using the menu on the left. Covers major figures in science and mathematics, their theories and beliefs, and the influence they had, as well as...
Children's Museum
Children's Museum: Field Guide to the Universe: Astronomers
Read brief biographies of astronomers who are grouped by time period.
National Council of Teachers of Mathematics
The Math Forum: How Do You Find Prime Numbers?
This site explains prime number theory and how to find prime numbers.
Curated OER
Univ. Of Utah: Archimedes and the Computation of Pi
Contains information about the life and works of Archimedes. Includes a Pi applet. Has links to Eratosthenes of Cyrene, A listing of Pi to 10,000 digits, a biography of Archimedes, notes on Pi, and sources on Archimedes' screw.
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