Amazon.com description: Product Description: 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 theyve gained from reading. Eye-catching visuals help walk readers through the math problems, while age-appropriate language encourages learning. Working at his familys farm stand helps Franklin practice the basics of place value in this book. This volume meets CCSS Math Standard 2.NBT.A.1a.