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Groth, Randall E. – Mathematics Teacher, 2011
The lesson study model of professional development that originated in Japan is becoming increasingly popular in the United States. At its core, lesson study is a means of bringing teachers together to carry out the process of planning a lesson, implementing and observing it, and then examining it during a debriefing session. The debriefing…
Descriptors: Mathematics Education, Secondary School Teachers, Professional Development, Instructional Improvement
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Johnson, Gwendolyn J.; Thompson, Denisse R.; Senk, Sharon L. – Mathematics Teacher, 2010
Recognizing that textbooks play a prominent role in fostering students' understanding of reasoning and proof, the authors conducted a study to examine the extent to which textbooks used in U.S. high schools provide opportunities for students to encounter proof-related reasoning and how the nature of proof-related reasoning in textbooks varies by…
Descriptors: High Schools, Textbooks, Mathematical Logic, Validity
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Hoffert, Sharon B. – Mathematics Teacher, 2009
Mathematics is considered the universal language, but students who speak languages other than English have difficulty doing mathematics in English. For instance, because of a lack of familiarity with the problem's context, many have trouble understanding exactly what operations to perform. In the United States, approximately one in seven students…
Descriptors: Mathematics Instruction, English (Second Language), Second Language Learning, Mathematics Achievement
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Matthews, Michael E.; Hlas, Christopher S.; Finken, Teresa M. – Mathematics Teacher, 2009
This article presents four-column lesson planning, an adaptation of lesson study, for preservice secondary school teachers. Four-column plans, an integral part of Japanese lesson study, have been less emphasized in the United States. This article presents study results indicating how these teachers were affected by this lesson study adaptation:…
Descriptors: Preservice Teachers, Lesson Plans, Secondary School Teachers, Foreign Countries
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McCoy, Leah P. – Mathematics Teacher, 2008
This article presents three mathematics lessons in a social justice setting of learning about poverty. Student activities include budgeting, graphic data representation, and linear regression, all in the context of connecting, communicating, and reasoning about poverty. (Contains 1 table, 5 figures and 6 online resources.)
Descriptors: Poverty, Regression (Statistics), Justice, Mathematics Instruction