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Abi-Hanna, Rabab – ProQuest LLC, 2016
Multi-digit subtraction is difficult for students to learn. The purpose of this study is to explore how second-grade students communicate their understanding of double-digit subtraction through the use of manipulatives/tools. This qualitative study reports on six case studies of second-grade students where clinical interviews were the main source…
Descriptors: Subtraction, Mathematics Instruction, Grade 2, Elementary School Mathematics