Learn to subtract 4 from numbers 4-14 with the help of counting dog bones! This book includes one new subtraction fact each day, (32 pages, 24 daily problems, 14 days of practice, 350+ problems per book, 3,500+ per series), handwriting aids, cumulative practice, daily achievements stars, and a completion certificate. Perfect for students in grades K-3, ages 5+. This is a great introduction to subtraction and helps develop fluency and automaticity. Learning objectives are subtraction proficiency and fluency, counting, legible handwriting, number sense, and independent learning. This is one book of the of the 11-book series, Subtraction & Counting. Best when used as an 11-book series!