期刊:Teaching children mathematics [National Council of Teachers of Mathematics] 日期:2000-04-01卷期号:6 (8): 482-488被引量:80
标识
DOI:10.5951/tcm.6.8.0482
摘要
Atoddler, after some experimentation, puts a square peg into a square hole. What does she know about shapes? What more will she learn in preschool and elementary school. What might she learn?