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Direct linkYang, Der-Ching; Huang, Ke-Lun – Journal of Educational Research, 2014
The authors compared the mental computation performance and mental strategies used by an experimental Grade 2 class and a control Grade 2 class before and after instructional intervention. Results indicate that students in the experimental group had better performance on mental computation. The use of mental strategies (counting, separation,…
Descriptors: Foreign Countries, Mental Computation, Grade 2, Intervention
