Soy bueno para las matemáticas

Need it or want it — what's the difference? Needs are things people cannot live without, such as food, water, and shelter. Let's explore the differences between the concepts of needs and wants! The Me Pregunto (I Wonder) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

Discusses the discovery and escavation of King Tutankhamen's tomb and the myth of the curse that seemed to afflict those involved in the tomb's exploration.

Samuel y Carmen, los protagonistas de " Un hoyo profundo al pie de un olivo " (El duende verde, no 132), sufrieron una separación cruel. Samuel está en Fez, ciudad de Marruecos, Carmen en Sevilla. Ya no son niños, pero sí jóvenes, y aún les queda mucha vida; siguen enamorados y cada uno en su soledad sueña con que algún día, en algún lugar, puedan encontrarse. En aquella época, una mujer soltera no era bien mirada y Carmen sufre la presión de la familia y de los amigos para que acepte en matrimonio a otro hombre que la solicita. Ella resiste porque no pierde la esperanza de que...

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 data organization. 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 data organization works in the real world. In this book, a class studies temperature throughout the course of a winter. This nonfiction book is paired...