45 worksheets with answer key. Worksheets were specifically designed for students with ADHD/executive functioning deficits. They can also be used for students who need reduced assignments. The skills addressed in this packet are: addition of multi-digit numbers with regrouping, subtraction of multi-digit numbers with borrowing, multiplication with one-digit multipliers, and division without remainders. Use to reinforce taught skills for classwork or homework. Only four problems on each sheet. A grid is provided with each problem so there is no need to hunt down graph paper for students to complete problems.