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May, Pamela L. – International Journal of Instruction, 2020
This researcher has been greatly distressed, as fifth graders year after year have disregarded mental math strategies for the standard algorithm. Mathematically proficient students should be flexible, efficient and accurate when solving mental calculations. This researcher set out to find out how fifth graders' mental math practice improved their…
Descriptors: Elementary School Students, Elementary School Mathematics, Grade 5, Numeracy