Adding + it up : helping children learn mathematics / ed. Jeremy Kilpatrick, Jane Swafford, Bradford Fildell
Adding + it up : helping children learn mathematics / ed. Jeremy Kilpatrick, Jane Swafford, Bradford Fildell
. - Washington : National Academy Press, 2001
. - XVII, 454 p. : il. 26 cm
0-309-06995-5 Encadernado
51:372.851
372.851:51