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Direct linkJacqueline Anton; Dor Abrahamson – Instructional Science: An International Journal of the Learning Sciences, 2025
Early mathematics education presents middle-school students with the challenge of adding and subtracting negative integers. This paper reports on results from the experimental implementation of a proposed educational design for integer arithmetic that utilized the number-line (NL) form as a resource for students to enact simple addition and…
Descriptors: Arithmetic, Middle School Students, Numbers, Experimental Teaching
