Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 12 12 to 18 12 = _____ h
- 1:56 p.m. to 5:56 p.m. = _____ h
- 05 00 to 08 47 = _____ min
- 2:47 a.m. to 6:57 a.m. = _____ min
(a)
From 12 12 to 18 12 = 6 h
(b)
From 1:56 p.m. to 5:56 p.m. = 4 h
(c)
From 05 00 to 08 00 = 3 h
From 08 00 to 08 47 = 47 min
From 05 00 to 08 47 = 3 h 47 min
1 h = 60 min
3 h = 3 x 60 = 180 min
3 h 47 min = 180 + 47 = 227 min
(d)
From 2:47 a.m. to 6:47 a.m. = 4 h
From 6:47 a.m. to 6:57 a.m. = 10 min
From 2:47 a.m. to 6:57 a.m. = 4 h 10 min
1 h = 60 min
4 h = 4 x 60 = 240 min
4 h 10 min = 240 + 10 = 250 min
Answer(s): 6, 4, 227, 250