Simple text explains fractions, what they are, and how to use them.

Describes the physical characteristics, behavior, habitat, and life cycle of the toucan.

This intriguing title teaches readers the history of number systems. From Egyptian times to the modern day, this text covers the number systems of the Roman Empire, the Maya Empire, the Inca Empire, Babylon, and India. This full-color book teaches students about operations and algebraic reasoning, introducing them to new concepts and vocabulary terms like place value, rounded numbers, exact numbers, the binary system, and more. Primary sources like...

La conciencia plena incluye respirar, tener un diálogo interno positivo, calmarse y más. Los personajes de Sesame Street presentan grandes emociones que es probable que los lectores hayan experimentado junto con soluciones simples como la respiración abdominal para ayudar a los niños a manejar lo que están sintiendo. Breathing, positive self talk, and calming down—mindfulness includes all this and more. Sesame Street characters present big...

"Welcome Spring! Celebrate the coming of spring by discovering all the things that happen each year."--

Describes the physical characteristics, behavior, and life cycle of the common earthworm.

Learn the history and common features of multi-player online battle arena games. Short paragraphs of easy-to-read text and plenty of colourful photos make reading simple and exciting. The book also includes a table of contents, fun facts, sidebars, comprehension questions, a glossary, an index, and a list of resources for further reading.

Learn the history and common features of sandbox games. Short paragraphs of easy-to-read text and plenty of colourful photos make reading simple and exciting. The book also includes a table of contents, fun facts, sidebars, comprehension questions, a glossary, an index, and a list of resources for further reading.

"Learn how penguin's feathers are designed to help them survive freezing waters. See how emperor penguins take care of their babies in extremely cold temperatures, working together to look after one large egg at a time. Readers will also learn about threats to penguin populations, and what conservation efforts have been made to help preserve them. Even more penguin facts are included in the backmatter"--

Learn the history and common features of puzzle games. Short paragraphs of easy-to-read text and plenty of colourful photos make reading simple and exciting. The book also includes a table of contents, fun facts, sidebars, comprehension questions, a glossary, an index, and a list of resources for further reading.