La historia de: los sistemas numéricos: Valor posicional

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

This book presents the theoretical and practical aspects of the Sociocultural Action and it approaches the figure of the socialcheerleader as well as different environments and technical of its intervention. This figure is called to become an important part of groups in different environments and stadiums of the life: childhood, youth, adults.

¿Cuál es el verdadero trabajo del youtuber? Ellos mismos te lo cuentan. Mucho se habla de que los youtubers son un montón de vagos que hace pavadas frentes a una camarita. Lo cierto es que cambiaron el paradigma de la comunicación y son los dueños de la audiencia de todas las edades; cada uno con su talento particular. ¿Cuál es su verdadero trabajo? ¿Cuánto tiempo les lleva? ¿Por qué lo hacen? ¿Son todos amigos o hay rivalidades? Esas y muchas otras preguntas más son respondidas en este libro por los youtubers más importantes de la Argentina.

Children often assume that being fair means that everyone gets the same number of cookies, but at the heart of fairness is consideration, respect, and caring for others. Your readers will encounter real-life situations in which young people figure out how to act fairly. They'll meet Ben and Jane who are playing on the swings at recess while other children wait to use the swings. What is the fair thing to do? Each spread consists of one of these relatable scenarios along with a full-color photograph. Fun, accessible text encourages readers to consider how they treat others as they discover...

There are seven million horses in the United States! Early readers will learn all about horses and stallions in this appealing, Spanish-translated nonfiction title that features vibrant photos, captivating facts, and simple, informative text. With a picture glossary and helpful definitions, readers will discover there is much to learn as they move from cover to cover.