Discover how bakers use fractions to create mouth-watering desserts. Examine the history of number systems and learn place value. Read how division is needed to take care of animals at Critter Camp. These Spanish math books use real-life examples of problem solving and every day scenarios to teach students essential math concepts. Students will learn data, geometry, and measurement while engaged in reading about high-interest subjects. The vivid images, detailed sidebars, practice problems, and math charts make learning math fun and easy. Text features include a glossary, index, and table of contents to increase understanding of math and reading concepts. A detailed problem-solving section provides additional learning opportunities. Titles include: La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value); Ballenas salvajes: Suma y resta (Wild Whales: Addition and Subtraction); Secretos de los supermercados: Multiplicación (Shopping Secrets: Multiplication); CTIM: La ciencia de los viajes: Multiplicación (STEM: The Science of Travel: Multiplication); Carlsbad Caverns: Identificación de patrones aritméticos (Carlsbad Caverns: Identifying Arithmetic Patterns); Planifiquemos una fiesta perfecta: División (Planning a Perfect Party: Division); Campamento de criaturas: División (Critter Camp: Division); Las carreras más duras del mundo: Comprensión de fracciones (World's Toughest Races: Understanding Fractions); La historia de las innovaciones victorianas: Fracciones equivalentes (The History of Victorian Innovations: Equivalent Fractions); Postres alrededor del mundo: Comparación de fracciones (Desserts Around the World: Comparing Fractions).