The eleven year old should be able to:
Use public transport to complete short journeys.
Take themselves to meet a local friend/go to the shop/complete a simple task.
Cook a basic meal.
Be alone at home for a few hours and get themselves snack etc. as needed
Organise themselves for school (maybe with a bit of help if they've just gone up to secondary school).
Take care of their own hygiene
Help out with chores at home.
The eight year old should be able to:
Complete short journeys by themselves (from home to corner shop and back again, for example, or go and post a letter or call for a friend who lives on the same road).
Get themselves a snack. Make toast/cereal/a sandwich.
Cook with an adults help.
Mostly able to take care of their own hygiene (maybe needs help with washing long hair/might need reminding about teeth brushing etc).
Help out with basic chores at home.
The six year old should be able to:
Walk along without needing to hold your hand, should understand that you stop at a road/look where you're going/don't walk into people etc. Should understand the basic process of getting a bus/train.
Get themselves a drink and a very simple snack. Maybe starting towards getting themselves an easy breakfast.
Help an adult to cook by chopping veg, measuring, mixing etc.
Help get their stuff organised for the morning, may need reminding/prompting.
Should be able to dress/undress themselves. Get themselves in/out of bath or shower. Wash themselves and brush their teeth (under some supervision). Brush hair (but may need help with long hair).
Help out with very basic chores at home.