Sumando y Restando en el Club de Matematicas

Presents a Spanish language grammar and vocabulary practice workbook to accompany a text book for classes in high school Spanish.

Más de 70.000 mujeres cada año son engañadas y sometidas a esclavitud sexual sólo en Europa. Este es un dato extraído de los periódicos, pero en esta novela todas esas mujeres se resumen en Polina, una adolescente nacida en Moldavia cuyas ilusiones comienzan a desmoronarse en un tétrico sótano de Estambul. Muy lejos de los sollozos de la pequeña, la historia comienza con la desaparición de los cinco gatos de la viuda Hergueta en un barrio residencial de la periferia de Madrid. Los vecinos rusos resultan los primeros sospechosos, ya que su actitud es huraña y misteriosa. Gracias a...

Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that fish have a distinct impact on their ecosystem and will see how fish survive when well-adapted to an uncompromised environment. Beautiful photographs demonstrate the great diversity of fish and accompany intellectually stimulating explanations of their varying roles and traits. From page to page, what a fish is unfolds in vocabulary call-outs, insightful questions, and relatable...

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 algorithms and procedures. 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 algorithms and procedures work in the real world. In this book, readers will learn how flowcharts can be used to teach people how to complete a...