Using a Student-Made Manipulative to Work with Directed NumbersReport as inadecuate




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This article seeks to address a common problem that many Mathematics students have with directed numbers. Directed numbers are either positive or negative. More importantly, many students seem to think that directed numbers have no tangible significance in real life. The paper uses a student-made manipulative to encourage students to appreciate that they could be an integral part of the teaching/learning process. The manipulative comprises a self made ruler with a zero mark and positive and negative numbers on either side of the zero. A mover or slider also made from Bristol Board moves smoothly along the ruler. The manipulative is used to calculate commonly met textbook problems on directed numbers. Common every day examples serve to bring to real life the value of directed numbers. Practitioners could use this article a stimulus to formulate manipulatives that they could use in their classroom practice and relate mathematics to real life situations. (Contains 4 figures.)

Descriptors: Numbers, Number Concepts, Teaching Methods, Mathematics, Mathematics Instruction, Mathematics Education





Author: McDonald, Betty

Source: https://eric.ed.gov/?q=a&ft=on&ff1=dtySince_1992&pg=594&id=ED531287







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