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Merrill, Chris; Devine, Kevin L.; Brown, Joshua W.; Brown, Ryan A. – Journal of Technology Studies, 2010
In the summer of 2009, a professional development partnership was established between the Peoria Public School District (PPSD), a local education agency (LEA), and Illinois State University (ISU) to improve geometric and trigonometric knowledge and skill for high school mathematics teachers as part of the Illinois Mathematics and Science…
Descriptors: Mathematics Education, Summative Evaluation, Action Research, Visualization
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Battista, Michael T; Clements, Douglas H. – Arithmetic Teacher, 1991
Presents a discussion illustrating student reasoning while using LOGO to draw tilted squares and rectangles. Suggests that teachers recognize that many students use visual imagery to reason and discuss visual reasoning with students. Gives examples of tasks to promote discussion. (MDH)
Descriptors: Abstract Reasoning, Computer Assisted Instruction, Computer Uses in Education, Discussion (Teaching Technique)