WILMOT, E. M. A comparative study of the effect of the methods of decomposition and base complement addition on Ghanaian children’s perfomance on compound substraction: A comparative study of the effect of the methods of decomposition and base complement addition on Ghanaian children’s perfomance on compound substraction. The Oguaa Educator, [S. l.], v. 12, p. 28–52, 2018. Disponível em: https://journal.ucc.edu.gh/index.php/oguaaeducator/article/view/503. Acesso em: 26 apr. 2024.