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Sorting from 8 – 18 Months:
Math Learning Trajectories
Woman: And what is that? This shape? Look, doggies. And you got cats.
Woman 2: Yay! Good job! Nice job. Three more.
This video shows a boy matching the cylinder with the circular opening in the shape-sorting box. This behavior reflects Goal IT-C 10 for children 8 to 18 months, who are able to match objects with similar or related characteristics.
