This book lends support to a breakthrough approach to teaching mathematics and science: the fusion of two fields of research -- the developmental sequences of cognition in the areas of classes, relations, space, measurement of space, and time (related to logical mathematical intelligence and spatial intelligence in Multiple Intelligences theory) with the curricular sequences for mathematics and science. It includes a study of a sample of Colombian children that were assessed in the areas of pre-classificatory collections, class inclusion, ordering (seriation) by length, and conservation of...