Resources on Digital Root

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This section contains external links to many resources on digitla root for you to probe further after you read my Digital root tutorial

References

• Jones, Lesley. Mathematics and Islamic Art. In: The Changing Shape of Geometry – Celebrating a century of Geometry and Geometry Teaching, Pritchard, C. (Ed), Mathematical Association of America, Cambridge University Press, 2003.
• Eric W. Weisstein. "Digital Root." From MathWorld --A Wolfram Web Resource. http://mathworld.wolfram.com/DigitalRoot.html
• http://hinduism.about.com/library/weekly/aa062901a.htm

Other tutorials

• Digital root pattern in a graph
• Bernard Bagnall wrote article about Digital roots
• Number trick using digital root
• YouTube video on using the digital root to check multiplication problems

Digital Root Games

• Fido puzzle
• mind reader of two digit sum
• card mind reader
• flash mind reader by Andy Naughton

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This tutorial is copyrighted.

Preferable reference for this tutorial is

Teknomo, Kardi. Digital Root. http:\\people.revoledu.com\kardi\ tutorial\DigitSum\