Fotografías que cuentan historias

Cada cuaderno tiene 64 páginas y están pensados para trabajarlos durante todo el curso pues las actividades que contienen son reflejo de los contenidos que se abordan en primer curso. Cada una de las páginas contiene tres o cuatro actividades, numerando las actividades por página. Las actividades están planteadas de forma progresiva, en orden de dificultad creciente, de manera que las actividades que figuran al principio del cuadernillo son para trabajarlas en los comienzos del curso, a medida que éste avanza se trabajarían actividades de páginas intermedias y al final de curso...

Visiting an aquarium is fun. There are many fish, sharks, birds, penguins, sea otters, and other creatures to see. Dive into learning subtraction as you read about the many animals at the aquarium! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning subtraction easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading...

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.

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.