A Variation on a Very Familiar Algorithm.

Zeilberger, Doron; Todd, Philip

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Peer reviewed

ERIC Number: EJ251486

Record Type: CIJE

Publication Date: 1981-Sep

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A Variation on a Very Familiar Algorithm.

Zeilberger, Doron; Todd, Philip

Mathematics Teacher, v74 n6 p474-75,490 Sep 1981

An unusual way of using the long multiplication algorithm to solve problems is presented. It is conceptually harder, since it involves negative numbers but is easier to perform once mastered, since the size of the multiplication table required is smaller than the standard one. (MP)

Descriptors: Algorithms, Mathematical Enrichment, Mathematics Instruction, Multiplication, Number Concepts, Numbers, Problem Solving, Secondary Education, Secondary School Mathematics, Student Motivation

Publication Type: Journal Articles; Guides - Classroom - Learner; Guides - Classroom - Teacher

Education Level: N/A

Audience: Practitioners

Language: English

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