What is the best job for a 10 year old girl?

You can get a job at ten i will tell you how. If someone in your family owns a shop then you might be able to help out there and get some cash. All you can really do at the age of ten is:
lemonade stand
garage boot sale
chores in the house
paper routes
washing peoples cars
sell old dvds

and cds

sell teddies that are lying about the house, unused

hope this helps

There might be some girls that need money for the family, NOT from the family.
If you happen to be one, then you should go around the neighborhood asking if anyone needs help. Babysitting could work too. If you're a genius, maybe the kid next door is bummed on math! (if you didn't get that, TUTORING!) Try to find a job that doesn't include your mom paying you (or your dad)
GOOD LUCK!