This paper reports on a pilot study that compared the use of commercial off-the-shelf (COTS) handheld game consoles (HGCs) with traditional teaching methods to develop the automaticity of mathematical calculations and self-concept towards mathematics for year 4 students in two metropolitan schools. One class conducted daily sessions using the HGCs and the Dr Kawashima's Brain Training software to enhance their mental maths skills while the comparison class engaged in mental maths lessons using

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... ore traditional classroom approaches. Students were assessed using standardised tests at the beginning and completion of the term and findings indicated that students who undertook the Brain Training pilot study using the HGCs showed significant improvement in both the speed and accuracy of their mathematical calculations and selfconcept compared to students in the control school. An exploration of the intervention, discussion of methodology and the implications of the use of HGCs in the primary classroom are presented.