Max needs 65 paper plates for the barbecue party.  He already has 22 green paper plates and 24 blue paper plates. How many more paper plates does he need?
How many paper plates does Max have? ** He already has a total of 22 + 24 = <<22+24=46>>46 paper plates.
How many more paper plates does Max need? ** Therefore, Max needs 65 - 46 = <<65-46=19>>19 more paper plates.
#### 19