These principles are partially based on the ten recommendations in Early Childhood Mathematics: Promoting Good Beginnings set forth by the National Association for the Education of Young Children and ...These principles are partially based on the ten recommendations in Early Childhood Mathematics: Promoting Good Beginnings set forth by the National Association for the Education of Young Children and NCTM in 2002. · Provide an environment rich in language, and introduce preschool children to the language of mathematics · Observe children to discover opportunities to clarify, extend, and reinforce their existing mathematical concepts and to help them discover new mathematical concepts