¿Qué fuentes debo usar?: Fragmentar el problema (Which Sources Should I Use?: Breaking Down the Problem)

Grouping and classification are among the first math and science skills that children need to learn. This fun book will challenge children to observe natural creatures to see what makes them the same and different. It presents an interesting way of looking at objects, because the objects may not be exactly the same. For example, birds have two wings, but the wings of different birds may not look similar.

Había una vez un gorrión muy preocupado. Todas las demás aves levantaban la vista para mirar el magnífico cielo azul y cantaban de alegría; pero no el gorrión muy preocupado. Él solo se preocupaba. Le preocupaba volar, le preocupaba que le faltara comida, le preocupaba encontrar una pareja y construir un nido... ¡y sobre todo le preocupaba el terrible gavilán!Hasta que descubrió algo muy importante.There was once a Very Worried Sparrow. All the other birds looked up at the bright blue sky and sang for joy. But not the Very Worried Sparrow. He just worried. He worried about flying,...

Nueva edición del diccionario más completo de la lengua española - 95.840 entradas y 171.930 acepciones.

Beaches, mountains, valleys, farmlands, and deserts are all part of the unique geography of California. Students will learn about each of these regions with this primary source reader that builds students' reading skills and social studies content knowledge. The intriguing primary source maps, letters, documents, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features...