Betsy Ross

Te presentamos al Papa Francisco. Nacido como Jorge Mario Bergoglio en Buenos Aires, Argentina, el Papa Francisco es el primer papa de las Américas. ¡También es el primer papa en reemplazar a un papa que todavía vive! Aprende todo sobre el Sumo Pontífice en este libro para niños de Nivel 1, apropiado para los primeros pasos de lectura independiente o para una experiencia de lectura en voz alta.

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

Invites young readers to learn to count in English and Spanish as they search for the right place to put the reusable stickers.

What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.