I suspect, like Iucounu, that reason for no work at home is that the teacher thinks you are doing it with/for her. But...
I would also +1 LNEsMom on the busy work issue. There is real (well, as real as it gets) math enrichment behind what she is asked to do, although maybe (probably) not at high enough a level for her.
The biggest issue I see with her work, and what I think is bothering the teacher, is that while she is pouring a lot effort in making her work as polished as she can, creating the perfect grid in PS and wanting to have the perfect laminated game pieces has nothing to do with the math. She is creating her own busywork around the assignment!
The teacher's reaction seems to have been trying to cut on the external distractions (Photoshop, laminating...). What she should do instead (in my own totally uneducated opinion) is to make the assignments more challenging not on the art and craft front but on the math front.
