Juega con los numeros / Mix and Match Magnetic Numbers

Te has preguntado alguna vez; ...por qué el corazón es el símbolo del amor? ¿Quién fue san Valentín en realidad? ¿Por qué se representa a Cupido con los ojos vendados? ¿Por qué las novias lanzan el ramo el día de su boda? ¿Por qué regalamos rosas rojas? ¿Por qué se lleva la alianza en el cuarto dedo de la mano derecha? En este libro encontrarás las respuestas a estas y a otras muchas preguntas relacionadas con el amor.

Forces and motion are key concepts in the elementary science curriculum. This Spanish edition of How Simple Machines Work uses simple text and full-color photographs to help ELL students understand the principles behind simple machines. Each volume includes three diagrams to enhance comprehension. The text uses authentic language and is designed to build reading skills as well as knowledge of basic science concepts.

Snouts, spines, or scutes help many animals survive. Information on why is contained in this engaging book.

Why did the Civil War begin? Which states were part of the Union and which were part of the Confederacy? Readers will learn the answers to these questions and more as they move through this fascinating nonfiction Spanish-translated title. The easy-to-read informational text, engaging facts, and vivid images and illustrations help highlight some of the aspects that led up to the Civil War, including slavery, the Underground Railroad, abolitionists, the Fugitive Slave Act, the Dred Scott Decision, and the Lincoln-Douglas debates. The accessible table of contents works in conjunction with the...