Germs are everywhere. They are on your hands, your school supplies, and even in your mouth! With this engaging Spanish math book, students will learn to write, simplify, and evaluate algebraic expressions to explore how fast germs can spread. Encourage healthy habits while allowing Spanish-speaking students to practice algebraic expression, exponential form, and distributive property. The book includes vibrant photos, math charts and diagrams, grade-appropriate text, and informational text features. Students will learn practical, real-world applications of advanced math skills as they learn about algebraic expressions and build their STEM skills.