Desafíos matemáticos

Tara and her friends go to a street fair. Build early literacy skills, and develop oral and written language skills in emerging Spanish readers with this leveled fiction reader.

Got a fan of snakes, lizards, and turtles? Dig into this beginner's guide to reptiles from Cathryn and John Sill, creators of the award-winning About... series. Author and educator Cathryn Sill explains in simple language the basic characteristics that all reptiles share, while offering a look at many of the animals that fall into this diverse category, including ever-popular lizards, snakes, and turtles. The beautifully detailed paintings of noted wildlife illustrator John Sill depict reptiles in their habitats and highlight their unique aspects. An afterword provides more detail on each...

Los contenidos de este libro se corresponden con los de la unidad formativa 0217, del módulo "Proyectos de montaje de instalaciones de energía eólica", perteneciente al certificado de profesionalidad "Gestión del montaje y mantenimiento de parques eólicos". Las instalaciones de energía mini-eólica se valen de pequeños aerogeneradores con una potencia inferior a los 100 kw. Por ello, se están usando con éxito para suministrar electricidad a lugares aislados, como viviendas o señalizaciones. Este texto reúne todos los aspectos a tener en cuenta a la hora de realizar una de estas...

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.