„The path toward mathematics success starts early. Children’s numeracy skills in preschool and the beginning of kindergarten predict their math achievement in later grades, controlling for early reading skills, general cognitive skills, and demographic variables.“
Univ.-Prof. Dr. Nicole R. Scalise u. a., Symbolic Magnitude Understanding Predicts Preschoolers’ Later Addition Skills. In: Journal of Cognition and Development (2021), 22:2, S. 185.