This book provides educators with targeted minilessons to enhance student understanding of operations with fractions, decimals, and percents for grades 5-8. Drawing on research from the Young Mathematicians at Work project, it offers practical strategies for addressing common student misconceptions. The author, Maarten Dolk, a respected figure in mathematics education, presents a framework for developing conceptual understanding alongside procedural fluency. The lessons are designed to be integrated into daily classroom instruction, fostering deeper mathematical thinking.

This resource is recognized for its practical approach to teaching fundamental arithmetic concepts. Educators familiar with the Young Mathematicians at Work series will find these lessons align with established pedagogical principles emphasizing conceptual understanding. The focus on fractions, decimals, and percents makes it a valuable tool for middle school mathematics teachers seeking to strengthen their students' foundational skills. The collection of minilessons offers a structured yet flexible way to address key learning objectives in these areas.