The Mistake Parents Make With Chores

Each September at the Montessori school I run, the preschoolers engage in an elaborate after-lunch cleanup routine. They bustle through the room with sweepers and tiny dustpans, spreading crumbs all over the floor and making a bigger mess than they started with. If any scraps do make it into their dustpans, most of them spill out as the children exuberantly walk to the trash bin.