# Chapter 2: The Four Operations: Addition and Subtraction

Below, you can find links to selected SAGE Journal Articles to explore some of the chapter topics further.

Beilock, S. L. and Maloney, E. A. (2015) ‘Math Anxiety: A Factor in Math Achievement Not to Be Ignored’, *Policy Insights from the Behavioral and Brain Sciences*, 2(1), pp. 4–12.

Linder, S. M. and Simpson, A. (2018) ‘Towards an Understanding of Early Childhood Mathematics Education: A systematic review of the literature focusing on practicing and prospective teachers’, *Contemporary Issues in Early Childhood*, 19(3), pp. 274–296.

Makonye, J. P. and Fakude, J. (2016) ‘A Study of Errors and Misconceptions in the Learning of Addition and Subtraction of Directed Numbers in Grade 8’, *SAGE Open*.