Is your child frustrated or bored with it? Try a casual conversation over dinner or while brushing your teeth and ask what do you like about homework? What do you not like about homework? and see if you can get any answers. Most of the time if a child's answer is "I don't wanna do it." or "I wanna go play." there's another answer a little deeper. Try not to frustrate him/her and continuously nag, but set a timer and do one page, or half a page at a time. Take a few breaks if there's lots to do and have a healthy snack. If it's math, you could even use the snacks as hands-on tools to help solve the problem. I know it can be very hard, but the more you struggle and fight now, the worse it could get later in school. Try to stay relaxed, positive, and supportive. If things don't get better, I would also suggest talking with the teacher (before conferences) and see if the same behavior is going on in class and maybe the teacher will have some helpful hints. Good luck!
I would give her some type of reward such as ice-cream or see her favorite TV show. Something that encourage her to establish a rythme. The problem is that when it takes too long to finish the homework becasue they are distracted or restless everybody get nervous and stress-out so for me the key is rapidity.
maybe the child is having a problem understanding the homework that is sent home...talk to the teacher ..they may not realize that your child is not catching on but is maybe embarresed in class to say something and that turns into frustration when the child is home they want to shut off. or on the other hand the child is understanding too well and is not being challanged so she is bored.