It depends on her height and weight, activity level, muscle mass, etc. It's best to ask a doctor about this, but most girls that age should get around 1,600-2,000, depending.
A 10 year old girl should consume 1,000 calories a day!
1500
The number of calories that someone should consume in a day depends on the person. A young girl will consume less than a young boy for example.
2000 calories
Between 1,200 and 1,400 calories, on average.
It depends on how many calories they consume; if you are of a slighter build and eat less calories, you need to burn less.
1200 calories
An 11-year-old girl who leads a sedentary life is advised to consume approximately 1,600 calories per day. A much more active 11-year-old girl should consume 2,200 calories daily. An inactive boy of the same age should consume about 1,800 calories per day, while an active 11-year-old boy should consume 2,600 calories per day.
40000000000000000000
Most anorexics consume 600-800 calories a day.
1,500-2,000 calories
A moderately active 13 year old girl needs about 1845 calories per day.