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Direct linkWijaya, Ariyadi; van den Heuvel-Panhuizen, Marja; Doorman, Michiel – Educational Studies in Mathematics, 2015
Based on the findings of an error analysis revealing that Indonesian ninth- and tenth-graders had difficulties in solving context-based tasks, we investigated the opportunity-to-learn offered by Indonesian textbooks for solving context-based mathematics tasks and the relation of this opportunity-to-learn to students' difficulties in solving these…
Descriptors: Foreign Countries, Mathematics Instruction, Grade 9, Grade 10
Peer reviewedTourniaire, Francoise; Pulos, Steven – Educational Studies in Mathematics, 1985
The literature on proportional reasoning is reviewed. After methodology is discussed, strategies used to solve proportion problems, variables that influence performance, and training studies are each considered. (MNS)
Descriptors: Cognitive Processes, Educational Research, Elementary Secondary Education, Error Patterns
