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Ingólfur Gíslason – Research in Mathematics Education, 2024
I explore students' discourses in small groups working on mathematical problems using GeoGebra, focusing on the Cartesian connection between algebra and geometry. Specifically, the interest lies in what is internally persuasive for students in upper-secondary school (11th grade) with histories of low attainment. Three problem-solving episodes are…
Descriptors: High School Students, Grade 11, Secondary School Mathematics, Geometry
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Sterrett, William L.; Haas, Matthew – Educational Leadership, 2009
Although professional learning communities have gained wide acceptance as a way for teachers to support one another's learning, there is less attention paid to the need for principals to meet together to enhance learning and leadership. Three years ago Sterrett (an elementary school principal) and Haas (a high school principal in the same…
Descriptors: Principals, School Districts, Instructional Leadership, Educational Change
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Huang, Chun-Chieh; Yeh, Ting-Kuang; Li, Tsai-Yen; Chang, Chun-Yen – Educational Technology & Society, 2010
The objective of this article is to evaluate the effectiveness of a collaborative and online brainstorming game, Idea Storming Cube (ISC), which provides users with a competitive game-based environment and a peer-like intelligent agent. The program seeks to promote students' divergent thinking to aid in the process of problem solving. The…
Descriptors: Brainstorming, Problem Solving, Creative Thinking, Grade 11