The State shall use amounts provided to the State for each fiscal year under this subchapter for child care services on a sliding fee scale basis, activities that improve the quality or availability of such services, and any other activity that the State deems appropriate to realize any of the goals specified in paragraphs (2) through (5) of section
658A
(b), with priority being given for services provided to children of families with very low family incomes (taking into consideration family size) and to children with special needs.