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...

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

Rafael Alberti fue uno de los poetas españoles más grandes del siglo xx. Y también un extraordinario poeta para niños, a los que atraía por su personalidad y su amable aspecto de abuelo y mago. Sus poesías, muchas de ellas recogidas en esta espléndida ant

Juro lealtad a la bandera (I Pledge Allegiance to the Flag) teaches students about the Pledge of Allegiance. This book uses intriguing primary source images and documents and simple sentences to engage students in reading as they build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a simple glossary, captions and an index to introduce informational text features to young readers and provide additional reading support.

Simple text and photographs introduce USDA's MyPlate tool and present healthy fruit options for children.