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Direct linkHilton, Annette; Hilton, Geoff; Dole, Shelley; Goos, Merrilyn – Mathematics Education Research Journal, 2013
Proportional reasoning involves the use of ratios in the comparison of quantities. While it is a key aspect of numeracy, particularly in the middle years of schooling, students do not always develop proportional reasoning naturally. Research suggests that many students do not apply proportional methods appropriately and that they often erroneously…
Descriptors: Diagnostic Tests, Thinking Skills, Psychometrics, Skill Analysis
Peer reviewedBeishuizen, Meindert – Journal for Research in Mathematics Education, 1993
Describes a program in second-grade Dutch mathematics classes that emphasizes mental addition and subtraction of two-digit numbers up to 100. Deals with a strategy of counting by 10s from any number. (Contains 56 references.) (RLB)
Descriptors: Addition, Case Studies, Cognitive Processes, Cognitive Style
