TY  - BOOK
AU  - Hiebert, James
AU  - Wearne, Diana
TI  - Links between teaching and learning place value with understanding in first grade
KW  - ADICION
KW  - ENSE\197ANZA MATEMATICA
KW  - MATERIALES MANIPULABLES
KW  - METODOS DE ENSE\197ANZA
KW  - PLACE VALUE
KW  - RESTA
ER  -