“The Learning of Additive Decomposition in Kindergarten: A Proposal for Children from 5 to 6 Years”. Edma 0-6: Educación Matemática en la Infancia 3, no. 2 (December 31, 2021): 84–113. Accessed January 16, 2026. https://revistas.uva.es/index.php/edmain/article/view/5842.