Matemáticas en Marte (Math on Mars)

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

De Alaska, Guatemala, Tanzania, Siberia, India, Nueva Zelanda, China o Marruecos provienen los niños y las niñas deestos cuentos. Historias para aprender cómo se vive en esos lugares, cómo se visten sus habitantes, qué animales hay oqué se come. Una manera muy positiva de acercar a los pequeños lectores a nuevos mundos.

There is an amazing muscle inside your body. It pumps blood and keeps you healthy. What is it? Your heart! Read all about it in this colorful, Spanish-translated title. This 6-Pack includes six copies of this title and a lesson plan.

Provides a basic introduction to caves, including geographical information and plant and animal life.

The Internet can be one of the most useful tools for young learners. It can also open them up to dangerous situations and inappropriate content. This book teaches readers how to use the Internet responsibly. It addresses relevant issues, including social networking, online gaming, and cyber bullying. Through age-appropriate text, readers will learn how to avoid strangers and keep their personal information safe. “Tell Me More” boxes give advice for complicated online situations. Color photographs and a detailed glossary support the text. Supplemental websites provide opportunities for...