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Download full textBacakoglu, Taha Yasin; Tertemiz, Nese Isik – International Electronic Journal of Elementary Education, 2022
This longitudinal study was conducted in order to determine and improve the mental addition strategies of students in their 2nd and 3rd years at elementary school. The first part of the study used the qualitative research method of case study, while the second part adopted the single group pretest-posttest quasi-experimental design. The study…
Descriptors: Mental Computation, Addition, Learning Strategies, Elementary School Students
Direct linkRousselle, Laurence; Noel, Marie-Pascale – Journal of Learning Disabilities, 2008
The adaptive use of approximate calculation was examined using a verification task with 18 third graders with mathematics learning disabilities, 22 typically achieving third graders, and 21 typically achieving second graders. Participants were asked to make true-false decisions on simple and complex addition problems while the distance between the…
Descriptors: Mathematics Education, Learning Disabilities, Mental Computation, Grade 3
