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- W43369803 abstract "In this study we analyze the difficulty of computational estimation tasks –with operations without context– in function of the operation type –multiplication anddivision– and number type –whole, decimal greater than one and decimal less than one– that appears in them. Errors made in estimating with decimal numbers less than one are also analyzed. The research counts with the participation of 53 preservice elementary teachers. An estimation test is administered to the teachers and some of them are selected to accomplish interviews. The conclusion is that estimating with decimals less than one is more difficult than with whole numbers or decimals greater than one, and most of the errors –but not all– produced in estimation processes isdue to teachers’ misconceptions about operations of multiplication and division." @default.
- W43369803 created "2016-06-24" @default.
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- W43369803 date "2002-01-01" @default.
- W43369803 modified "2023-09-24" @default.
- W43369803 title "Influence of number type and analysis of errors in computational estimation tasks" @default.
- W43369803 hasPublicationYear "2002" @default.
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