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Larkin, Kevin; Ladel, Silke; Kortenkamp, Ulrich; Etzold, Heiko – Australian Primary Mathematics Classroom, 2019
This article describes Ulrich Kortenkamp's Place Value Chart app and the accompanying teacher guide developed by the members of an international research team led by regular contributor Kevin Larkin.
Descriptors: Number Concepts, Mathematics Instruction, Teaching Methods, Charts
Duke, Roger; Graham, Alan; Johnston-Wilder, Sue – Mathematics Teaching Incorporating Micromath, 2007
This article describes a recent and successful initiative on teaching place value and the decomposition method of subtraction to pupils having difficulty with this technique in the 9-12-year age range. The aim of the research was to explore whether using the metaphor of selling chews (i.e., sweets) in a tuck shop and developing this into an iconic…
Descriptors: Teaching Methods, Figurative Language, Subtraction, Number Concepts
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Clark, Garry – Australian Primary Mathematics Classroom, 2006
Calculators can be used in primary schools in a number of situations. They are most beneficial when working with large numbers, dealing with real data that leads to complex calculations, performing repetitive calculations, developing concepts, estimating and checking, problem solving, and looking for patterns and/or relationships. But what if the…
Descriptors: Calculators, Number Concepts, Computation, Primary Education
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Liljedahl, Peter; Sinclair, Nathalie; Zazkis, Rina – International Journal of Mathematical Education in Science & Technology, 2006
This study focuses on the nature of preservice elementary school teachers' understandings of several concepts in elementary number theory that are evoked by a computer-based microworld called "Number Worlds". In particular, the focus is on the concepts of factor, multiple and prime number. The notion of "thickness" is examined with respect to…
Descriptors: Number Concepts, Preservice Teachers, Elementary School Mathematics, Computer Assisted Instruction
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Bar-On, Ehud; Avital, Shmuel – Journal of Computers in Mathematics and Science Teaching, 1984
Presents background information and the listing for a LOGO computer program which investigates an ancient mathematical riddle (related to the square root of seventeen). The simulation, written for Apple II microcomputers, can be easily adapted to other microcomputers. (JN)
Descriptors: Computer Simulation, Computer Software, Geometric Concepts, History
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Lamb, John, Jr. – School Science and Mathematics, 1989
Describes several phenomena in which interesting properties of numbers are demonstrated. Includes discussions of amicable, perfect, and sociable numbers. Presents computer programs for conducting a number chain search. (RT)
Descriptors: Computer Software, Computer Uses in Education, Mathematical Enrichment, Mathematics
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Miller, Darcy; Brown, Abbie; Robinson, LeAnne – TEACHING Exceptional Children, 2002
This article describes Widgets, computer-based learning tools designed to meet the instructional need for computer-based flexible tools that can be used across ability levels. It discusses development of three Widgets for students with mild disabilities: a multiplication with sets Widget, a number sense Widget, and a dollars and cents Widget.…
Descriptors: Computation, Computer Assisted Instruction, Computer Software, Computer Uses in Education