Tween power struggles around learning often mask deeper questions of identity, relevance, and autonomy. Why do I have to do this? is sometimes genuine philosophical resistance, the task feels disconnected from anything they value. At this age, the need for purpose and self-determination is neurologically intense. The struggle is not with you, it is with a system that has not yet made room for who they are becoming. Check both dimensions of Connection: is the relational bond warm and trusting? And does your tween see genuine meaning and purpose in what is being asked, value that connects to something they actually care about in their own terms?
I am not going to force this, but I want to understand what is actually in the way for you.