Casserly, Ann Marie, Bairbre Tiernan, and Pamela Moffett. “Key Vocabulary and Supporting Strategies for Early Number Concepts”. REACH: Journal of Inclusive Education in Ireland 29, no. 1 (February 18, 2021): 18–32. Accessed April 26, 2026. https://www.reachjournal.ie/index.php/reach/article/view/50.