EduGAINS -- MathematicsBiro, K., & Dick, L. K. (2019). Anchoring number talks. Ohio Journal of School Mathematics, 81, pp, 31-38.
Flick, M., & Kuchey, D. (2015). Contest Corner: Increasing classroom discourse and computational fluency through number talks. Ohio Journal of School Mathematics, 71, pp. 38-41. Open Access.
Berger, A. M. (2017). Using number talks to build procedural fluency through conceptual understanding. Ohio Journal of School Mathematics, 75, pp. 1-7. Open Access.
Open Questions for the Three-Part Lesson. Grade Levels K, 1, 2, 3: Geometry and Spatial Sense, Data Management and Probability by 
Mathematical Mindsets by 
Becoming the Math Teacher You Wish You'd Had by 
Taking Shape: Activities to Develop Geometric and Spatial Thinking, Grades K-2. by