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...

The sordid, thrilling, and comic story of two young lovers--affluent Lala and impoverished Guayi; examines the economic and social circumstances of Argentina and Paraguay to make sense of the characters' past choices and present misfortunes.

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

This is a short fun book for children, showing them math simplified so they can learn it’s not hard and that it’s necessary to learn math in life. There are math questions and situations in this book showing that math can be applied in daily life. The book is also bilingual, meaning you can also introduce your child to Spanish or English. Math is a subject many children are scared of and tend to not embrace. This novel is made to break down some math, and the math problems are for children of a young age, for them to analyze and use critical thinking. The book features a nice math teacher ...

Take a trip to New Orleans with a young girl and her family as they attend one of the world's biggest parties: Mardi Gras! Learn all about the history of this fascinating festival as you practice subtraction strategies. This fiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning subtraction strategies relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading...