Subject
History and Philosophy of Science,Physics and Astronomy (miscellaneous),Engineering (miscellaneous),Education,Mathematics (miscellaneous)
Reference8 articles.
1. Subtraction: What Do Students Know;Carpenter;The Arithmetic Teacher,1975
2. Diagnosing and Remediating Systematic Errors in Addition and Subtraction Computations;Cox Linda;The Arithmetic Teacher,1975
3. Mitchell , Charles E. First, Second, and Third Grade Children's Performance on Selected Verbal and Symbolic Subtraction Problems. 1981
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1 articles.
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