Title: Multiplying multi-digital numbers without multiplication table
Abstract: Written multiplication relies on many concepts that precede it: write the numbers in the decimal numeric system, multiplication tables single-digital numbers, proceedings of addition and subtraction, addition of single-digital numbers, written multiplication algorithm. When children learn multiplication of the written algorithm, the biggest role will have learning multiplication tables by heart. Its meaning and understanding require great effort and methodical skills. The aim of this paper is to show a very simple way to multiply without using multiplication tables and greatly shorten the time multiplication. This principle is created by the Ukrainian mathematician Trahtenberg. This paper presents the introduction of the multiplication table, multiplication and multiplication without using tables. The central part consists of single-digit multiplication algorithms numbers in Trehtenberg's system and demonstrated the application of multiplying multi-digital numbers. The last part will be about the practical and pedagogical value given the way the multiplication.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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