La Energía Solar (Solar Energy)

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Historietas de humor que reflejan las situaciones divertidas y absurdas de la relaciones entre hermanos.

Combine valuable fifth grade math and literacy skills in a purposeful way with the Spanish-translated math reader El regalo de cumpleaños del abuelo (Grandpa's Birthday Present). Focusing on the critical skills that 5th graders need to know to advance to the next level, this book incorporates key concepts into an engaging text that showcases math skills needed to create a budget and calculate sale prices. This high-interest nonfiction reader introduces how to convert percentages, decimals, and fractions. Filled with mathematical charts, diagrams, and practice problems, the text features in...

16 vidas extraordinarias de personas que luchan cada día por salvar el medio ambiente. 16 historias para los pequeños héroes que salvarán nuestro planeta. ¡Somos la última generación que puede cambiar el mundo! Nunca se es demasiado jóven para salvar el mundo. Este es el mensaje que transmiten los 16 cuentos de este libro. 16 vidas extraordinarias de personas que luchan cada día por salvar el medio ambiente. 16 historias para los pequeños heroes que salvarán nuestro planeta. De Leonardo di Caprio a Emma Watson, pasando por supuesto por Greta Thunberg o Pierre Rabhi (considerado...

Explores The Number Twelve With Relationship To Time, Counting, And Things That Are Sold By The Dozen.