AllardiceB., and GinsburgH. P.. (1983), ‘Children's psychological difficulties in mathematics’, in GinsburgH. P. (ed.), The Development of Mathematical Thinking, London: Academic Press.
2.
BennettN., and DesforgesC.. (1984), The Quality of Pupil Learning Experiences, Hove: Erlbaum.
3.
CarpenterT. P., and MoserJ. M.. (1982), ‘The development of addition and subtraction problem-solving skills’, in CarpenterT. P., and MoserJ. M. (eds.), Addition and Subtraction: a cognitive perspective, New York: Erlbaum.
4.
CarraherT., CarraherD., and SchliemannA.. (1985), ‘Mathematics in the streets and in the schools’,British Journal of Developmental Psychology3, 21–9.
5.
DesforgesC., CockburnA., and WilkinsonB.. (1987), Understanding the Mathematics Teacher: a study of practice in first schools, London: Falmer Press.
6.
GelmanR., and GallistelC. R.. (1983), ‘The child's understanding of number’, in DonaldsonM. (ed.), Early Childhood Development, Oxford: Blackwell.
7.
HennessyS.. (1986), ‘The Role of Conceptual Knowledge in the Acquisition of Arithmetical Algorithms’, unpublished Ph.D. thesis, University of London.
8.
HughesM.. (1985), Children and Number, Oxford: Blackwell.
9.
PiagetJ., and SzeminskaA.. (1952), The Child's Conception of Number, London: Routledge.
10.
ResnickL.. (1983), ‘A developmental theory of number understanding’, in GinsburgH. P. (ed.), The Development of Mathematical Thinking, London: Academic Press.
11.
Scottish Council for Research in Education (SCRE) (1983), Assessment of Achievement Programme — Achievement of Scottish School Children in Mathematics: performance of pupils in primary four and seven, Edinburgh: SOED.
12.
Scottish Primary Maths Group (1984), Primary Mathematics: a development through activity, second edition, London: Heinemann.
13.
SutherlandP.. (1989), ‘Some case studies in learning difficulties in maths in the primary school’,Research in Education42, 1–15.