Illustrating Arithmetic with Graphic Arrays

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This Demonstration illustrates simple arithmetic expressions of the type , represented graphically as arrays of dots or playing-card pips.

Contributed by: Izidor Hafner (June 2017)
Open content licensed under CC BY-NC-SA


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Details

This Demonstration was based on ideas from the illustrations in [1].

Reference

[1] F. Mocnik, Arithmetic Book for Public Schools (in Slovenian), Vienna: Karel Gorisek, 1915.



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