In a good early childhood room, curriculum is not a stack of worksheets. It is what happens when a teacher notices a child stacking blocks and joins in, naming colors and counting as they build. Skills get linked that way: language, math, and fine motor work in one stretch of play. Children move through stages at their own pace, from exploring the world to early reading.
You notice curriculum at home in small things. Your child holds a book and tracks the words. They count plates onto the table without being asked. They tell you how a friend felt at school, and why. Those are the signs that reading, math, and social skills are taking hold and carrying past the classroom door.