Hiebert, James <br/><br/>
Links between teaching and learning place value with understanding in first grade 

 - 98-122 
 - 1992 23, no. 2 
 = JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION 
<br/><br/><label>Encabezamiento--Término de Indización: </label>ADICION ENSE\197ANZA MATEMATICA MATERIALES MANIPULABLES METODOS DE ENSE\197ANZA PLACE VALUE RESTA