La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

One dog in a teacup, two caterpillars on a leaf, three horses having a conversation... Fun photographs and simple text help introduce young readers to counting numbers from zero to ten. A fish-counting activity encourages young readers to practice their counting skills.

Students will develop their math skills while engaged in reading about Yosemite National Park. This book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach geometry concepts like calculating perimeter and area. Text features include a glossary, an index, captions, and a table of contents to increase students’ vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, math charts and diagrams, and sidebars provide many opportunities for students to practice their developing math skills, and apply what...

Esta es la primera parte de una historia de dos. No contada de una forma narrativa con orden cronológico, sino contada desde momentos clave, de sentimientos guardados y expulsados en papel. Las mejores historias siempre te obligan a hacer algo al respecto. Este libro es la parte oculta de la química, el dolor, el éxtasis, el miedo y la soledad que uno siente en la vida.

The Earth is made up of shapes. The shapes make up landforms. Find out about all of Earth’s landforms. Paired to the fiction title A Long Car Ride.