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de Olaizola, Inaqui; Santos, Manuel – International Group for the Psychology of Mathematics Education, 2003
The questions addressed in this paper are: how do students interpret the non-solution problems as a mathematical practice in the classroom? What kinds of arguments do the students offer? To deal with these questions the utterances of students working in the classroom with problems in which they had to look for general relations in order to argue…
Descriptors: Mathematics Instruction, Grade 7, Computation, Critical Thinking
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Tretter, Thomas R.; Jones, M. Gail; Andre, Thomas; Negishi, Atsuko; Minogue, James – Journal of Research in Science Teaching, 2006
To reduce curricular fragmentation in science education, reform recommendations include using common, unifying themes such as scaling to enhance curricular coherence. This study involved 215 participants from five groups (grades 5, 7, 9, and 12, and doctoral students), who completed written assessments and card sort tasks related to their…
Descriptors: Measures (Individuals), Educational Change, Science Education, Science Curriculum