Acalculia in children Acalculia 1 Acalculia-Patients-Education 1 Activity programs 1 Education 1 Mathematics 1 Mathematics--Study and teaching (Elementary)--Activity programs 1 Mathematics--Study and teaching--Activity programs 1 Mathematics-Study and teaching-Activity programs 1 Patients 1 Special education 1 Special education--Activity programs 1 Special education--Mathematics 1 Special education-Mathematics 1 Special education-Mathematics-Activity programs 1 Study and teaching 1