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Frequency, efficiency and flexibility of indirect addition in two learning environmentsBert De Smedt; Joke Torbeyns; Nick Stassens; Pol Ghesquière; Lieven Verschaffel · 2010
Adults’ use of subtraction by additionGreet Peters; Bert De Smedt; Joke Torbeyns; Pol Ghesquière; Lieven Verschaffel · 2010
Solving Subtraction Problems by Means of Indirect AdditionTorbeyns, Joke; De Smedt, Bert; Stassens, Nick; Ghesquière, Pol; Verschaffel, Lieven · Mathematical Thinking and Learning · 2009
Acquisition and use of shortcut strategies by traditionally schooled childrenJoke Torbeyns; Bert De Smedt; Pol Ghesquière; Lieven Verschaffel · 2009
Subtraction by addition in children with mathematical learning disabilitiesPeters, Greet; De Smedt, Bert; Torbeyns, Joke; Verschaffel, Lieven; Ghesquière, Pol · Learning and Instruction · 2014
Children's understanding of the addition/subtraction complement principleTorbeyns, Joke; Peters, Greet; De Smedt, Bert; Ghesquière, Pol; Verschaffel, Lieven · British Journal of Educational Psychology · 2016
Acquisition and Use of Shortcut Strategies by Traditionally Schooled ChildrenJoke Torbeyns, Bert De Smedt, Pol Ghesquière and Lieven Verschaffel · Educational Studies in Mathematics · 2009
Jump or compensate? Strategy flexibility in the number domain up to 100Joke Torbeyns; Bert De Smedt; Pol Ghesquière; Lieven Verschaffel · 2009
Strategic aspects of simple addition and subtraction: the influence of mathematical abilityJoke Torbeyns; Lieven Verschaffel; Pol Ghesquière · 2004