Fraction calculation study notebook for elementary school grades 4, 5, and 6. - Title: Fraction Calculations - Target Grade Level: Elementary School Grades 4, 5, and 6 - Series Name: Subject-Specific Study Notebooks - Publisher: Kenichi Miki & Aoba Publishing - ISBN: 978-4-88353-195-2 I purchased this but never used it, and it has been stored at home. How about it for preparation or review? Please understand that it has been stored at home. Thank you for looking.