Kanji and Math Workbooks for 2nd Graders Workbook for learning about time, duration, length, and volume. - Series Name: Elementary School 2nd Grade - Subjects: Math, Japanese Language - Titles: Time and Duration Length and Volume Kanji - Publisher: KUMON - Target Grade: 2nd Grade Elementary School - Content: Learn basic math concepts through problems - Features: Check understanding with test-style questions - Other: Set of 3 books Purchased at a bookstore last spring. New and unused. Thank you for looking.