My DS (5) only has a bowl of cereal or 2 slices of toast for breakfast and I thought this was normal, but after speaking to some other mums at swimming lessons I wonder if I am under-feeding him as their DC's have both cereal and toast!
This seems to keep him going. He has a fruit snack mid-morning at school, then school dinner at about 1pm-ish.
So what do your kids have?