Putting the World on a Page (Math Concept Reader Gr.4)

This series covers the range of math concepts and skills that students are excpected to master during fourth grade. The series moves sequentially through the math curriculum, using practical examples to show how people use math every day in the real world. Each book is leveled to match students' reading skills as they progress through fourth grade.

Julia's grandfather is a philatelist. During his travels, Grandfather finds stamps. He saves them as a souvenirs...