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Deihl, Steve; Markinson, Mara P. – Journal of Mathematics Education at Teachers College, 2019
High school students often ask questions about the nature of infinity. When contemplating what the "largest number" is, or discussing the speed of light, students bring their own ideas about infinity and asymptotes into the conversation. These are popular ideas, but formal ideas about the nature of mathematical sets, or "set…
Descriptors: High School Students, Mathematical Concepts, Algebra, Secondary School Mathematics
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Berger, Lisa – Mathematics Teacher, 2013
Must two triangles with equal areas and equal perimeters also be congruent? This question was introduced in "Mathematics Teacher" ("MT")by Rosenberg, Spillane, and Wulf in their article "Heron Triangles and Moduli Spaces" (2008), which also described the authors' subsequent investigation of a particular moduli…
Descriptors: Mathematics Instruction, Mathematical Concepts, Geometric Concepts, High Schools
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Oliver, Jack – Australian Senior Mathematics Journal, 2005
Multiplication and division have in general been much more difficult to perform than addition and subtraction. Perhaps, if we could find some device for reducing multiplication and division to addition and subtraction, computational loads could be lightened. One such device is that of logarithms of course. This note outlines another such device…
Descriptors: Trigonometry, Mathematical Concepts, Arithmetic, Multiplication
Allison, Ronald; And Others – 1971
This booklet contains some 80 problems in mathematics suitable for computer solution. The problems range from very simple to complex. Problems have been included from most mathematic disciplines, including number theory, analytical geometry, probability and statistics, trigonometry, equations, and sequence and limits. For the most part these…
Descriptors: Algebra, Arithmetic, Computers, Geometry