References
Australian Curriculum, Assessment and Reporting Authority [ACARA]. (2013). Australian Curriculum: Mathematics. Retrieved from http://www.australiancurriculum.edu.au/Mathematics/Curriculum/F-10
Baroody, A. (1984). Children's Difficulties in Subtraction: Some Causes and Questions. Journal for Research in Mathematics Education, 15(3), 203-213. Retrieved from http://www.jstor.org/stable/748349?origin=JSTOR-pdf
Downton, A., Knight, R. Clarke, D., & Lewis, G. (2006). Mathematics Assessment for Learning: Rich Tasks & Worksamples. Melbourne: Mathematics Teaching and Learning Centre, Australian Catholic University and Catholic Education Office.
Fuson, K. (1984). More complexities in subtraction. Journal for Research in Mathematics Eduaction, 15(3). p. 214-225.
Gutstein, E., & Romberg, A, T. (1995). Teaching children to Add and Subtract. Journal of Mathematical Behaviour, 14. p. 283-324.
Olsen, W. (1968). Methods of Teaching Elementary School Mathematics. USA: Burgess Publishing Company.
Reys, R. E., Lindquist, M. M., Lambdin, D. V., Smith, N. L., Rogers, A., Falle, J., ...Bennet, S. (2012). Helping Children Learn Mathematics. Milton, QLD: John Wiley and Sons Australia, Ltd.
Schminke, C, W., Maertens, N., & Arnold, W. (1973). Teaching the child mathematics. USA: The Dryden Press Inc.
Willending, M, F. (1966). Elementary mathematics: Its structure and concepts. USA: John Wiley & Sons Inc.
Baroody, A. (1984). Children's Difficulties in Subtraction: Some Causes and Questions. Journal for Research in Mathematics Education, 15(3), 203-213. Retrieved from http://www.jstor.org/stable/748349?origin=JSTOR-pdf
Downton, A., Knight, R. Clarke, D., & Lewis, G. (2006). Mathematics Assessment for Learning: Rich Tasks & Worksamples. Melbourne: Mathematics Teaching and Learning Centre, Australian Catholic University and Catholic Education Office.
Fuson, K. (1984). More complexities in subtraction. Journal for Research in Mathematics Eduaction, 15(3). p. 214-225.
Gutstein, E., & Romberg, A, T. (1995). Teaching children to Add and Subtract. Journal of Mathematical Behaviour, 14. p. 283-324.
Olsen, W. (1968). Methods of Teaching Elementary School Mathematics. USA: Burgess Publishing Company.
Reys, R. E., Lindquist, M. M., Lambdin, D. V., Smith, N. L., Rogers, A., Falle, J., ...Bennet, S. (2012). Helping Children Learn Mathematics. Milton, QLD: John Wiley and Sons Australia, Ltd.
Schminke, C, W., Maertens, N., & Arnold, W. (1973). Teaching the child mathematics. USA: The Dryden Press Inc.
Willending, M, F. (1966). Elementary mathematics: Its structure and concepts. USA: John Wiley & Sons Inc.