Are the problems too close together? Make sure you can distinguish between the problem number and the actual problems. The problem numbers should be less obtrusive. Students with and without ADD and ADHD can become distracted by too many distractions!?
Division worksheets are not all created equal. There are basically two types: math fact sheets and long division sheets. Math fact sheets are easy to create (with the division symbol between the numbers) and require few if any paper calculation from students. Long division sheets are more difficult to program, e.g., with or