This study was carried out at SMP Negeri 03 Salatiga. The aims of this research are: (1) To find out and analyze the difference of integrated reading writing skills of the seventh-grade students of SMP Negeri 03 Salatiga before and after they were taught by using Problem-Based Learning; and (2) To find out the significant difference of the seventh-grade students of SMP Negeri 03 Salatiga’s in…