Apuntes de matemáticas

Learn how the power of a petition can give Americans the ability to create real change! This Spanish nonfiction book includes a related short fiction piece, glossary, an exciting bonus activity, and other useful tools. The fun images and meaningful text will teach students how to be responsible citizens who can improve their communities by writing petitions. This 32-page full-color Spanish book describes the purpose of petitions and how they can be used to make a difference. It also explores important topics such as laws and democracy and includes an extension activity for grade 3. Perfect...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a microscope and learn how to fix it. This nonfiction book is paired...

Deserts are the driest places on Earth, but they’re full of life! Cacti, kangaroo rats, shrubs, foxes, and more have found ways to adapt to the extreme temperatures and dry conditions of deserts around the world. Readers learn about many of these adaptations as well as the major features of the desert biome. Simple maps highlight some of the biggest deserts, helping readers learn map skills. Full-color photographs reinforce accessible information about the desert ecosystem, including a concluding message of conservation.

Un libro para comenzar a pensar en algunas de las preguntas cruciales que nos acompañarán toda la vida. Algunos piensan que la vida es un juego, otros opinan que es muy complicada... No hay una única respuesta para las grandes preguntas de la vida. No existe sólo una forma de pensar. Cada quien debe construir, buscar, construir la suya propia. Doce ideas sobre el sentido de nuestra vida se confrontan en este libro.