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Shahbari, Juhaina Awawdeh; Peled, Irit – Canadian Journal of Science, Mathematics and Technology Education, 2016
This study analyzes the development of percentages knowledge by seventh graders given a sequence of activities starting with a realistic modeling task, in which students were expected to create a model that would facilitate the reinvention of percentages. In the first two activities, students constructed their own pricing model using fractions and…
Descriptors: Mathematics Instruction, Mathematics Education, Mathematical Concepts, Grade 7
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Dolev, Sarit; Even, Ruhama – International Journal of Science and Mathematics Education, 2015
This study analyzes six seventh grade Israeli mathematics textbooks, examining (1) the extent to which students are required to justify and explain their mathematical work, and (2) whether students are asked to justify a mathematical claim that is stated by the textbook or a mathematical claim that they themselves generated when solving a problem.…
Descriptors: Foreign Countries, Textbook Content, Textbook Evaluation, Textbook Research