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Degrande, Tine; Verschaffel, Lieven; Van Dooren, Wim – Educational Studies in Mathematics, 2020
Previous research demonstrated that some children inappropriately solve multiplicative missing-value word problems additively, while others inappropriately solve additive missing-value word problems multiplicatively. Besides lacking skills, children's preference for additive or multiplicative relations has been shown to contribute to those errors.…
Descriptors: Elementary School Students, Mathematics Skills, Problem Solving, Multiplication