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Jonathan J. Crabtree
Jonathan J. Crabtree
Private Researcher: The Evolution of Elementary Mathematics
Verified email at jonathancrabtree.com - Homepage
Title
Cited by
Cited by
Year
A new model of multiplication via Euclid
JJ Crabtree
Vinculum 53 (2), 16-18, 21, 2016
32016
Snippet: A new reason negative multiplied by negative is positive
JJ Crabtree
Vinculum 52 (3), 20, 2015
12015
Fun in Podo’s Paddock: New Ways of Teaching Children the Laws of Sign for Multiplication and Division (and more!)
JJ Crabtree
Challenges in Mathematics Education for the Next Decade. 14th International …, 2017
2017
How mathematics teachers can explain multiplication and division in the manner of René Descartes and Isaac Newton.
JJ Crabtree
Proceedings of the 26th Biennial Conference of the Australian Association of …, 2017
2017
The Lost Logic of Elementary Mathematics and the Haberdasher who Kidnapped Kaizen
JJ Crabtree
2016 Mathematical Association of Victoria (MAV) Annual Conference 53, 98-106, 2016
2016
Squaring the circle: A practical approach
JJ Crabtree
Vinculum 53 (4), 7-9, 2016
2016
Representationsof Negative and Positive Quantities on a ‘Brahmaguptan Plane’for India’s Primary Classes
JJ Crabtree
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