Children's Mental Arithmetic: Toward a Model of Retrieval and Problem Solving.

Ashcraft Mark H. Children's Mental Arithmetic: Toward a Model of Retrieval and Problem Solving. National Inst. of Education (ED), Washington, D.C.; National ence Foundation, Washington, D.C. Apr 85 NSF-SED-8021521 23p.; Paper presented at the Biennial Meeting of the Society for Research in Gild Development (Toranto, Ontario, Canada, April 25-28, 1985). Reports Research/Technical (143) Speeches/CoafeTence Papers (150)