I have taught long division in 4-6th grades for many years. One of the biggest obstacles for students was getting the process down, then if they got the process down, they were reluctant to START the process over with the next number (divide, multiply, subtract, check, bring down). I finally developed a simple tool, on index cards, that I put on a 1” ring, so when each step was done, they flip the card over, and after the “Bring Down” step, if the student brought down the next number…. Th