La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

"En este libro te proponemos un recorrido que no te va a dejar indiferente. Porque no el sólo un itinerario por distintos países del mundo, sino que te invita a adentrarte en la escencia del ser humano...,"--Page [4] of cover.

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...

¡Conoce al iguanodon, un dinosaurio herbívoro que pesaba toneladas literalmente! Las imágenes coloridas ayudan a los lectores a aprender cómo era la vida para estos comedores de plantas de punta. Meet the iguanodon, an herbivore dinosaur who weighed tons—literally! Now in Spanish, carefully leveled text and colorful images help readers learn what life was like for these spiky-thumbed plant-eaters.

Bosquejos = Esquisses / Carmen Elías -- Jorge Camacho = Jorge Camacho / Mario Carren̋o -- Manigua la encuentro de Camacho = Brousse au-devant de Camacho / André Breton -- Jorge Camacho entro pájaros y kachinas = Jorge Camacho parmi les oiseauxs et les kachinas / Carlos M. Luis -- El imperio de la serpiente = L'empire du serpent / Joyce Mansour -- A Jorge = A Jorge / Torgia -- El arte cósmico de Jorge Camacho = L'art cosmique de Jorge Camacho / Surpik Angelini.