> But ìf Khan has been a little unclear for some percentage of students, the addition of a few exercises should solve the problem. You must realize that this i

> But ìf Khan has been a little unclear for some percentage of students, the addition of a few exercises should solve the problem. You must realize that this is an incredibly simplistic view of learning? How students learn is an extremely complicated process. While decimals are not difficult, understanding exactly where students struggle with the concept and determining a sequence of learning activities to help them overcome that concept is extremely difficult.