The Secret Life of Prime Numbers

Author: Enrique Ortiz
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It's not magic. By color-coding different combinations of factors, students can learn to use this system to “guess” unknown, randomly selected integers and composites.

Contributor Notes

Enrique Ortiz,, teaches mathematics methods courses at the University of Central Florida in Orlando. He is interested in the use of technology, use of games and puzzles, teaching goals, and brain-based research.

(Corresponding author is Ortiz
Teaching Children Mathematics


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