Understanding the principles of base ten is essential to understanding numbers and operations. Students will become familiar with the concept of place value through engaging narratives and real-life situations. Students will then be challenged to use place value in the context of algebraic operations, demonstrating the knowledge they’ve gained from reading. Eye-catching visuals help walk readers through the math problems, while age-appropriate language encourages learning. In this book, readers join Amelia as she helps with a recycling drive, gaining an understanding of place value. This volume meets CCSS Math Standard 2.NBT.A.1.