Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 16 37 to 21 37 = _____ h
- 4:39 p.m. to 8:39 p.m. = _____ h
- 02 00 to 06 21 = _____ min
- 3:21 a.m. to 5:26 a.m. = _____ min
(a)
From 16 37 to 21 37 = 5 h
(b)
From 4:39 p.m. to 8:39 p.m. = 4 h
(c)
From 02 00 to 06 00 = 4 h
From 06 00 to 06 21 = 21 min
From 02 00 to 06 21 = 4 h 21 min
1 h = 60 min
4 h = 4 x 60 = 240 min
4 h 21 min = 240 + 21 = 261 min
(d)
From 3:21 a.m. to 5:21 a.m. = 2 h
From 5:21 a.m. to 5:26 a.m. = 5 min
From 3:21 a.m. to 5:26 a.m. = 2 h 5 min
1 h = 60 min
2 h = 2 x 60 = 120 min
2 h 5 min = 120 + 5 = 125 min
Answer(s): 5, 4, 261, 125