Presents five articles addressing numbers and math instruction for young children: "Math Talk with Young Children: One Parent's Experience" (Fred E. Gross); "How Children Build Their Understanding of Numbers" (David Elkind); "Early Math: It's More than Numbers" (Ann S. Epstein); "Assessing Mathematical Learning: Observing and Listening to Children" (Juanita V. Copley); and "Encouraging Rich Mathematical Experiences at Home" (Hazel Osborn). Includes tips for teacher training (Kay Albrecht). (EV)