50 Adivinanzas Para Razonar Bien

This colorful notebook offers children a series of fun and varied exercises and games to develop their logical reasoning skills.

Various exercises and games designed to practice mental calculation for children between seven and nine years old.

Did you know that nature is the world's largest science and engineering lab? Learn how designers and engineers use biomimicry to create or improve products. This title supports NGSS for Engineering Design.

The child will be able to observe and, with the help of an adult, they will read the names and learn to about their favorite animals. The pages are made of cardboard and on each one there is a picture with the word written underneath. They are large, square books that the child can look at and touch as if it were a toy.

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

Conceptos y términos económicos para adolescentes y jóvenes adultos ¿Cuál fue el origen de las monedas? ¿Qué pasaría si de repente un banco decidiera producir más dinero? Economía para mentes inquietas resuelve todas estas dudas y muchas otras: desde conceptos como el funcionamiento de los mercados y las leyes de la oferta y la demanda a aspectos más cotidianos como las divisas, el control del gasto o el ahorro. Hasta los conceptos más oscuros son fáciles de entender, gracias a un texto cercano, magníficas ilustraciones y esquemas visuales. Economía para mentes inquietas es...