sizes. Some are very large, while others can only be seen using a microscope. With this engaging Spanish book, students will learn how scientists use algebraic expressions to explore the growth of amoebas, euglenas, and bacteria. The book includes vibrant photos, math charts and diagrams, grade-appropriate text, and informational text features. Spanish-speaking students will learn practical, real-world applications of math skills as they learn new mathematical concepts and build their STEM skills.