References

-Bobis, J.; Mulligan, J.; and Lowrie, T. (2008). Chapter 9: Promoting Number Sense: Beyond Computation in Bobis, J.; Mulligan, J.; and Lowrie, T, Mathematics for children : challenging children to think mathematically, Frenchs Forest, NSW: Pearson Education Australia, pp.215-242.

-Clements, Douglas H. (1999). Subitizing : what is it? why teach it? Teaching Children Mathematics, 5 (7), 400-405.

-Clements, Douglas H. (1999). Subitizing : what is it? why teach it? Teaching Children Mathematics, 5 (7), 400-405.

-NSW Department of Education and Training. (2009). Five little ducks. Retrieved September, 2, 2011 from http://www.curriculumsupport.education.nsw.gov.au/countmein/parents_five_little_ducks.html

-NSW Department of Education and Training. (2009). Ten Fat Sausages. Retrieved September, 2, 2011 from http://www.curriculumsupport.education.nsw.gov.au/countmein/parents_ten_fat_sausages.html

-The Origo Handbook of Mathematics Education. (2007). QLD: Origo Education

-Perry, Bob and Dockett, Sue. (2002). Ch 5 : Young Children's Access to Powerful Mathematical Ideas in English, Lyn D (ed), Handbook of international research in mathematics education, Mahwah, NJ: Lawrence Erlbaum Associates, pp.81-111.