Cobayos

"Whoosh! Crunch! Dump Trucks are here to haul! Learn how and where they do their work in this Machines! song. Includes glossary, critical thinking questions, and sheet music"--

Caprichosa, cruel y extravagante, Cleopatra pervirtió a los grandes hombres de Roma, primero a Julio César, después a Marco Antonio, apartándolos de su alta misión y destruyendo sus vidas. Una mujer clave en el escenario político de su tiempo que despertó pasiones que hicieron temblar imperios.

For those who enjoy unconventional solutions, the author offers a wide range of all-time paradoxes that defy your deductive and calculation skills with impossible logical truths, and helps you to learn how to overcome the traps of false truths.

Practice nonstandard measurement at the zoo! This exciting, Spanish-translated title encourages readers to practice measuring their favorite zoo animals, such as elephants, giraffes, pandas, and more. A gorilla weighs the same as three men! When a cheetah runs, its stride length is the length of three men! An elephant weighs the same as three pickup trucks! Vivid images, fun practice questions, early STEM themes, and helpful mathematical diagrams make nonstandard measurement entertaining and easy for children to understand.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about California’s gold rush by examining maps, letters, images, and art from that time. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary...