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Flores, Margaret M.; Hinton, Vanessa; Strozier, Shaunita D. – Learning Disabilities Research & Practice, 2014
Based on Common Core Standards (2010), mathematics interventions should emphasize conceptual understanding of numbers and operations as well as fluency. For students at risk for failure, the concrete-representational-abstract (CRA) sequence and the Strategic Instruction Model (SIM) have been shown effective in teaching computation with an emphasis…
Descriptors: Mathematics Instruction, Teaching Methods, Mathematical Concepts, Addition