Please be careful about differentiation being 'on top of' or after he completes the regular coursework. This can be the same as no differentiation; my ds is allowed to work on an extension packet after he finishes his regular work in math, however the regular/boring/repetitve stuff is just a mental roadblock and he rarely if ever gets to the math that would be of greater interest. It is very enervating for him.

In reading, a child is rarely asked to read Johnny's book first and then move on to their assigned harder book. The kids are just moved to a higher reading level book (thankfully), and a different reading group/discussion group is created. I am not sure why I have NEVER seen this done in math. Anyone seen this?