1) When a teacher shares a Math XL in a playlist, it would be nice to be able to preview the problems as a summary (in a list) rather than clicking through the activity.
2) If I want to edit the Math XL activity that was shared with me, I must go back to "Browse" and find the original activity and create a new copy. When creating a new copy, I have to look at two screens at once to figure out which problems my coworker selected and then make additional changes.
3) Even if I create my own copy of a Math XL from a playlist, I can't edit it. The original creator can open the activity, and then edit from the menu at top right. Even after I duplicate the playlist, I cannot edit the activity.
***These features would honor teachers' time making their preparation and planning more efficient.