Apuntes de matemáticas

Deserts are the driest places on Earth, but they’re full of life! Cacti, kangaroo rats, shrubs, foxes, and more have found ways to adapt to the extreme temperatures and dry conditions of deserts around the world. Readers learn about many of these adaptations as well as the major features of the desert biome. Simple maps highlight some of the biggest deserts, helping readers learn map skills. Full-color photographs reinforce accessible information about the desert ecosystem, including a concluding message of conservation.

Farmers use tractors to plow their fields. Tractors are also used on construction sites. The biggest tractors are as wide as a road. Learn more about these machines in Tractors, an AV2 media enhanced book

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of loops. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how loops work in the real world. In this book, readers will learn about loops through the life cycle of an apple tree. This nonfiction title is paired with the fiction ...

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.