Mathematics - Division - Long division - Too Big to Share Mentally

Show a problem: '156 stickers shared among 6 friends. About how many each?' Options: 10, 20, 30, 50. The student estimates (156≈150, 150÷6≈25, so about 25-30). Do 4 rounds with 3-digit ÷ 1-digit problems. Show that these are too complex for mental math and we need a METHOD. Builds motivation for lea