Yes. So often, slow mental abilities travel hand-in-hand with stunted emotional development. So you aren’t just dealing with an intellectual capacity problem. You’re dealing with a child whom you want to teach adult skills. The child doesn’t want to learn adult skills. The child wants candy.
My HS students in a nutshell. They like "The Wheels on the Bus go Round and Round".
And I'm trying to teach budgeting. *sigh*