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Nabbout-Cheiban, Marie; Fisher, Forest; Edwards, Michael Todd – Mathematics Teacher, 2017
The Common Core State Standards for Mathematics envisions data analysis as a key component of K-grade 12 mathematics instruction with statistics introduced in the early grades. Nonetheless, deficiencies in statistical learning persist throughout elementary school and beyond. Too often, mathematics teachers lack the statistical knowledge for…
Descriptors: Mathematics Instruction, Technology Uses in Education, Educational Technology, Statistics
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Meagher, Michael S.; Edwards, Michael Todd; Özgün-Koca, S. Asli – Mathematics Teacher, 2016
The article opens with a Geoboard Triangle Quest in this form: "How many noncongruent triangles can be constructed on a 4 × 4 geoboard? How do you know? Justify your answer with significant supporting work." The use of advanced digital technologies as tools for problem solving receives much attention in the methods classes if the…
Descriptors: Mathematics Instruction, Geometry, Technology Uses in Education, Educational Technology
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Koyunkaya, Melike Yigit; Kastberg, Signe; Quinlan, James; Edwards, Michael Todd; Keiser, Jane – Mathematics Teacher, 2015
Right triangles play a significant role in mathematics. In this favorite lesson, the authors help students understand variant and invariant properties by considering relationships among angle measures and side lengths in right triangles. Students explore these relationships using interactive mathematics software, changing one angle and observing…
Descriptors: Mathematics Instruction, Geometric Concepts, Computer Software, Mathematics Activities
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Strayer, Jeremy F.; Edwards, Michael Todd – Mathematics Teacher, 2015
A news story claiming that the cream filling of a popular "double" cream sandwich cookie is not really "double" went viral in fall 2013. A high school mathematics teacher posted a blog entry describing how he and his students measured 20 cookies, analyzed the data, and concluded that the double cream cookies had only 1.86 times…
Descriptors: Media Literacy, News Media, Mathematics Education, Statistics
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Özgün-Koca, S. Asli; Edwards, Michael Todd; Meagher, Michael – Mathematics Teacher, 2013
In a recent collaboration with an area high school teacher, the authors were asked to develop an introductory sinusoidal curves lesson for a group of second-year algebra students. Because the topic was abstract and unfamiliar to these tenth graders, they looked for hands-on lessons to support their learning. One lesson that they found, which they…
Descriptors: Mathematics Instruction, Educational Technology, Manipulative Materials, Trigonometry
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Edwards, Michael Todd; Harper, Suzanne R.; Cox, Dana C. – Mathematics Teacher, 2012
Curriculum standards provide classroom teachers with frameworks to guide instruction during the academic year and throughout a student's schooling. Unfortunately, standards are misconstrued as all-encompassing--as a compendium of all mathematics content that can and should be taught to students. Such a view is unfortunate. Mathematics teachers…
Descriptors: Curriculum Development, Mathematics Instruction, Mathematics Teachers, Academic Standards
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Wanko, Jeffrey J.; Edwards, Michael Todd; Phelps, Steve – Mathematics Teacher, 2012
The Sliding along a Side task was presented at a National Council of Teachers of Mathematics (NCTM) conference session for high school teachers. According to the authors, while exploring this task with this group of experienced mathematics educators and classroom teachers, they shared a "gasp!" moment. With the aid of the dynamic mathematics…
Descriptors: Teaching Methods, Geometric Concepts, Educational Change, Secondary School Teachers
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Harper, Suzanne R.; Edwards, Michael Todd – Mathematics Teacher, 2011
Mathematics educators frequently extol the virtues of inquiry-based instruction to classroom teachers. Although research suggests that inquiry benefits learners by allowing them to make sense of the mathematics they encounter, particularly through discourse with peers, to assume that all (or even most) teachers successfully create and implement…
Descriptors: Mathematics Instruction, Teaching Methods, Inquiry, Problem Solving
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Edwards, Michael Todd – Mathematics Teacher, 2009
This article highlights a project that encourages students to connect reading and mathematics instruction by using a data analysis approach. Students analyze sonnets from statistical, literary, and historical points of view in an effort to uncover the true identity of William Shakespeare. (Contains 10 figures.)
Descriptors: Classics (Literature), Data Analysis, Mathematics Instruction, Reading Instruction
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Edwards, Michael Todd; Phelps, Steve – Mathematics Teacher, 2008
Data analysis plays a prominent role in various facets of modern life: Schools evaluate and revise programs on the basis of test scores; policymakers make decisions on the basis of information gleaned from polling data; supermarkets stock shelves on the basis of data collected at checkout lanes. Data analysis provides teachers with new tools and…
Descriptors: Visualization, Data Analysis, Mathematical Concepts, Probability
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Edwards, Michael Todd; Reinhardt, Jeffrey A. – Mathematics Teacher, 2008
In this article, the authors discuss the importance of unexpected graphs as a vehicle for encouraging critical classroom dialogue. By examining such graphs more critically, teachers and their students can reexamine beliefs about the authority of technology in their classrooms. (Contains 15 figures.)
Descriptors: Graphs, Mathematics Instruction, Teaching Methods, Discussion (Teaching Technique)
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Edwards, Michael Todd – Mathematics Teacher, 2005
The preliminary findings resulting when invented algorithm is used with entry-level students while introducing linear equations is described. As calculations are accessible, the algorithm is preferable to more rigorous statistical procedures in entry-level classrooms.
Descriptors: Equations (Mathematics), Statistical Analysis, Computation, Mathematics Instruction
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Edwards, Michael Todd – Mathematics Teacher, 2004
Two technology-oriented activities are used successfully with entry-level geometry students during their study of symmetry. Reflection symmetry gives students opportunities to deepen their understanding of fundamental mathematical concepts like slope and symmetry, in a flexible and self-paced way.
Descriptors: Mathematical Concepts, Mathematics Instruction, Inquiry, Mathematics Activities