Primeros Ejercicios de Calculo

Giraffes have long necks. Hummingbirds can fly backward. These are examples of adaptation. This nonfiction Spanish book teaches students about adaptation and introduces them to important scientific concepts and vocabulary terms. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.

Un día cualquiera de 1936 se convierte para Carmen, como para tantos otros, en una terrible pesadilla. Curtida por los amargos sinsabores de la guerra, mancillada en lo más íntimo y donde más duele, se convierte en espía del Servicio Secreto soviético, que desea apoderarse del arma mortífera que Hitler está experimentando en la contienda española.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

¡Otra vez se ha perdido Gocú! El gatito se subió a un globo aerostático que lo lleva de paseo por las vocales. Cada vocal ofrece divertidísimas actividades para los recién iniciados en el proceso de alfabetización (a partir de los 4 años).