Please note paper comes in various weights - newsprint starts at 10 lb and some are 15 lb weight.
It comes in various sizes, the one you want for your printer is 8 1/2 x 11 inches.
For your quilting and foundation printing purposes you should look for the 10 or 15 lb weight, they carry it at Office Depot online, in the USA - for 500 sheets was $7.99. Typing paper comes in 20 lb weight and higher.