North Carolina 79, Maryland 68: P.J. Hairston scored 22 points and Reggie Bullock hit four 3-pointers as the visiting Tar Heels extended their winning streak to six with a win over the Terrapins.

Bullock finished with 19 points and 12 rebounds for North Carolina (22-8, 12-5 ACC), which clinched a first-round bye for next week’s ACC tournament. The Tar Heels host fourth-ranked Duke on Saturday, trailing the Blue Devils by one game for second place in the conference.

Dez Wells scored 18 points to lead Maryland (20-10, 8-9), which trailed by 16 points but pulled within 63-57 on Nick Faust’s 3-pointer with 6:11 left. Marcus Paige answered with his own 3-pointer to ignite a quick 6-0 burst that helped North Carolina put away the game.

The Tar Heels won in large part due to their accurate 3-point shooting and how well they defended Maryland on the perimeter. North Carolina finished 10-for-24 from 3-point range and held the Terrapins to 3-for-23 from beyond the arc.

North Carolina scored the final 10 points of the first half, taking a 34-27 lead at intermission. The Tar Heels extended their lead to as many as 16 points in the second half and led 61-46 on a Bullock 3-pointer with 7:33 left, before Maryland’s pressure defense briefly cut the lead to six.

GAME NOTEBOOK: Bullock scored a career-high 24 points against the Terrapins on Jan. 19. He has made at least three 3-pointers in four of his past five games. ... Faust finished with 16 points for Maryland, which has lost four of its past seven games. … North Carolina has beaten Maryland six consecutive times.