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Delia Leuenberger; Elisabeth Moser Opitz; Noemi Gloor – Journal of Numerical Cognition, 2024
Computation competence (CC) in simple addition and subtraction using non-counting (NC) strategies is an important learning objective in Grade 1 mathematics but many children, especially low achievers in mathematics, struggle to acquire these skills. To provide these students with the support they need, it is important to have valid and reliable…
Descriptors: Computation, Mathematics Skills, Addition, Subtraction
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Poloczek, Sebastian; Hammerstein, Svenja; Büttner, Gerhard – Journal of Numerical Cognition, 2022
Being able to perform computational estimations efficiently is an important skill. Furthermore, computational estimation experiments are used to study general principles in strategy development. Rounding strategies are common in computational estimation. However, little is known about whether and when children use a mixed-rounding strategy (i.e.,…
Descriptors: Children, Learning Strategies, Mathematics Skills, Computation