Santillana has several series for 1st grade (Primary or Secondary) depending on the region. The most common interactive series include: Often includes " LibroMedia
: Observing changes in the sky, identifying day and night, and understanding the role of the Sun, Moon, and stars. Interactive and Digital Features ciencias naturales 1 santillana pdf gratis interactivo
Embedded videos that explain biological processes and physical phenomena. Santillana has several series for 1st grade (Primary
A newer edition featuring digital integration for competencies and reading comprehension. Serie Conecta 2.0 / Santillana Conocer identifying day and night
Esta versión renovada incluye recursos multimedia como videos, juegos y actividades dinámicas que complementan el texto tradicional.