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Kontorovich, Igor' – For the Learning of Mathematics, 2018
How do students cope with and make sense of polysemy in mathematics? Zazkis (1998) tackled these questions in the case of 'divisor' and 'quotient'. When requested to determine the quotient in the division of 12 by 5, some of her pre-service teachers operated in the domain of integers and argued for 2, while others adhered to rational numbers and…
Descriptors: Mathematics Instruction, Mathematical Concepts, Concept Formation, Arithmetic
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Ganor-Stern, Dana – Journal of Learning Disabilities, 2017
The present study is the first to examine the computation estimation skills of dyscalculics versus controls using the estimation comparison task. In this task, participants judged whether an estimated answer to a multidigit multiplication problem was larger or smaller than a given reference number. While dyscalculics were less accurate than…
Descriptors: Learning Disabilities, Arithmetic, Mathematics Skills, Computation
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Nesher, Pearla; Hershkovitz, Sara – Educational Studies in Mathematics, 1994
Studied schemes involved in solving two-step arithmetic word problems in (n=1824) elementary schoolchildren in Israel. Compound schemes and combinations of operations were found to affect the difficulty level of the problems. Appendix includes two versions of the test instrument. (Contains 17 references.) (MKR)
Descriptors: Addition, Arithmetic, Division, Elementary Education