Multiplication and Division (Grades 3-4) Paperback – June 1, 1980

School Zone Multiplication & Division Workbook: 32 Pages, 3rd Grade, 4th Grade, Estimation, Word Problems, Ages 8 to 10 (I Know It! Book Series)

Humble Math - 100 Days of Timed Tests: Multiplication: Grades 3-5, Math Drills, Digits 0-12, Reproducible Practice Problems

School Zone Multiplication Facts Made Easy Workbook: 64 Pages, 3rd Grade, 4th Grade, Math, Skip Counting, Arrays, Word Problems, Ages 8 to 10 (I Know It! Book Series)