Subtraction, Grades 1-3 by On The Mark Press
An effective resource for teaching or reviewing subtraction concepts and operations. The activities in this book focus on the following skills: recognition of subtraction facts from 0 to 18 and their concepts; comparison of subtraction facts using the symbols for greater than, less than, equal to , not equal to; recognition of the operational symbols + and -; problem solving using subtraction and addition, place value; two and three digit subtraction with and without regrouping. 32 pages. by On The Mark Press