Construyendo una casa

Different types of birds eat different things to live. Some birds eat worms. Some eat fish. Find out what different birds need to eat to live. Paired to the fiction title Hungry For Worms.

Nature is amazing and filled with different shapes. Learn about the different shapes found in nature. Paired to the fiction title What Can I Make?.

People all over the world love pets. Some pets are popular in certain areas of the world. Let’s find out about the popular pets around the world. Paired to the fiction title The Perfect Pet.

The first Thanksgiving was a celebration. The pilgrims were thankful for the harvest they planted. Find out what the pilgrims ate for the first Thanksgiving. Paired to the fiction title A Year of Fun.

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Nuestro mundo, with Tu mundo, is a complete, two-level Spanish program for native Spanish speakers, providing focused treatment of Spanish-speaking peoples, including language, literature, culture, and history.

If a person were ever face-to-face with a huge, hungry animal with sharp teeth, they probably wouldn’t care exactly what that animal was! But from a safe location, can we tell whether it was a crocodile or alligator that wanted to take a bite? By examining their jaw structure, teeth, and other physical features, we can easily tell these two animals apart! Graphic organizers and amazing images highlight each animal’s habitat and other small differences between the two fearsome creatures, showing readers just what creature is lurking below the waters.

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 algorithms and procedures. 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 algorithms and procedures work in the real world. In this book, readers will learn how flowcharts can be used to teach people how to complete a...