I agree, was coming on to say the same thing!
Firstly, talk to the teacher. Find out what the specific concerns are and what he/she recommends.
Secondly, find lots of fun learning things to do. We loved those books where you pressed a button on each page and it read to you whilst you followed. Can you still get them?
Board games, apps, if the issue is being unable to sit and focus for long then make use of signs and notices as you walk around,invent silly games involving letters and numbers, go on scavenger hunts.
Basically play with her and don't make it obvious she's doing "work"