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The 'Gelosia' method for simple multiplication

journal contribution
posted on 2017-12-06, 00:00 authored by Tim Roberts
The conventional written formal algorithm for multiplication has been taught in schools for many years, and consequently many adults have received this as a taught skill, without any realisation that other methods may be possible, or perhaps even preferable. This paper outlines an alternative method that seems to display some distinct advantages and disadvantages when compared with the conventional method. Starting with an example of the conventional method ('long multiplication'), its strengts and weaknesses are discussed, some alternatives are mentioned, and then the 'Gelosia' method is described. Finally, the advantages of the 'Gelosia' method are listed.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

8

Issue

1

Start Page

15

End Page

18

Number of Pages

4

eISSN

1326-0286

Location

Adelaide, Australia

Publisher

AAMT

Language

en-aus

Peer Reviewed

  • Yes

Open Access

  • No

External Author Affiliations

Faculty of Informatics and Communication; TBA Research Institute;

Era Eligible

  • Yes

Journal

Australian primary mathematics classroom.

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