Everyone has their favorite way that works for them. There are some great youtube videos showing ways to do this. I always smush and push my quilt around rather than rolling as it makes it more manageable for "me". I also take a piece of heavy clear plastic with a section cut out for needle area and tape that to my quilting machine and tables so it is REALLY slippery. This helps a lot as does wearing gloves as mentioned in a previous post. If I plan ahead, I can usually divide my quilt into 3 sections. I quilt a section leaving 1 inch unquilted where I will join the next section of quilt top and the next section of backing. I press those seams smooth and starch the heck out of it so it all lies smooth then add the batting between the top and backing. I then pin it and quilt the next section and repeat until all sections are quilted. That leaves two seams that "may" be visible on the backing depending on your backing fabric but it is pretty well hidden when you machine quilt over those seams. I try to pick up my quilting pattern where I left off on the first section and carry it forward into the next over the seams. Works for me. I've heard others mention they just leave the top and backing in 1 piece but don't add the batting until they are ready to quilt that section thus reducing the bulk of the quilt. Try a few ways and you will find what works best for "you". Good luck and happy quilting!