The Challenge of Replacing Letters with Numbers: What contents and strategies can be developed? O Desafio de Substituir Letras por Números: que conteúdos e estratégias podem ser desenvolvidos?

• Asıl Yazarlar: Helena Noronha Cury (Yazar), Maria Laura Feipe Bugarín Sampaio (Yazar)
• Materyal Türü: Kitap
• Baskı/Yayın Bilgisi: Universidade Estadual Paulista, 2008-02-01T00:00:00Z.
• Konular: article
• Online Erişim: Connect to this object online.

In this paper we present a kind of mathematical challenge called cryptarithmetic, which consists of the replacement of letters with numbers. We consider such challenges as problems, because there are no ready formulas to solve them, making it necessary to use problem solving strategies. We seek theo...