Responsibility does not begin with a long list. It begins with one small task where a child knows what the beginning and finish look like, and feels ownership rather than helping only when an adult asks.
Choose a task that can be seen
For example: putting a water bottle in the bag, clearing a napkin after dinner, or gathering books from one place. Explain it slowly once, then leave room to try. At first, ordinary reminders are part of learning, not evidence of failure.
Review the work, not the child
Instead of “You are careless,” try: “The books are still on the floor. What is the last step of your task?” This returns attention to an action that can be adjusted.
Today’s next step
Choose one task for two weeks. Do not add a second task until the sequence feels familiar.