El animador

In an entertaining way, shows how to add, subtract, multiply, and do long division without a calculator.

Introduces the life of Shoshoni Sacagawea, from early childhood through her days guiding the Lewis and Clark Expedition through the American wilderness, and speculates on her life after that adventure.

Desastres naturales (Natural Disasters) is an exciting book about how estimations and predictions help save lives in natural disasters. Students will learn critical math concepts as they are engaged in reading about the properties of natural disasters. Practice problems and mathematical diagrams help students reinforce the importance of mathematics. This Spanish title includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills.

En este libro descubrirás: -Cómo elaborar y utilizar tu propio cuaderno para anotar tus hallazgos campestres. -Buscar el rastro que los animales dejan tras de sí, como huellas, restos de comida, madrigueras... -Hacer tú mismo comederos para animales en el jardín o en la ventana. -Por qué es tan importante reciclar aquella basura que pueda ser peligrosa para el medio ambiente. -Cómo cultivar tu propia cosecha en casa utilizando frutos silvestres, piñas o semillas. -Escuchar, oler y mirar con atención la naturaleza cada vez que damos un paseo por el campo.