Carson Dellosa Education 
Spectrum Understanding Fractions [PDF ebook] 

A strong home-to-school relationship helps kids see the whole picture when it comes to math, and with Spectrum Focus: Understanding Fractions for grade 3 kids can spend a portion of time at home practicing converting fractions, comparing fractions, and more. Packed with explanations and comprehensive assessments, the Spectrum Focus series is designed to help every child meet (and exceed) expectations by offering an in-depth learning experience. This standards-based workbook doesn’t just prepare them for classroom success-it helps them make real-world connections by applying fractions to everyday scenarios.