Los estados de la materia — Los gases

Join the children in this book on a trip to the dentist. Going to the dentist can be fun, especially if you use addition to help you find answers to questions like these: How many teeth do you have? How many times should you floss your teeth each week? Make your next trip to the dentist an adventure with addition.

Sinopsis: Películas, poemas, pinturas y anécdotas de sus vidas, obras, amores y odios en la Residencia de Estudiantes. Una rigurosa y sostenida labor de muchos años, con el apoyo de abundantes documentos inéditos y de una depurada consulta de materiales y testimonios.

Follow a day in the life of two children from different cities! This entertaining title has been translated into Spanish and encourages young readers to practice time measurement skills and early STEM themes, like reading analog and digital clocks. Familiar images and fun practice problems will have young readers thinking about how they can measure time throughout a day in their own lives!

Simple text and photographs describe dragonflies, including their physical characteristics, behavior, and life cycle.