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Bhatia, Kavita; Premadasa, Kirthi; Martin, Paul – PRIMUS, 2014
Calculus students' difficulties in understanding integration have been extensively studied. Research shows that the difficulty lies with students understanding of the definition of the definite integral as a limit of a Riemann sum and with the idea of accumulation inherent in integration. We have created a set of manipulatives and activities…
Descriptors: Manipulative Materials, Calculus, Mathematical Concepts, Mathematics Instruction