Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 16 43 to 22 43 = _____ h
- 2:22 p.m. to 8:22 p.m. = _____ h
- 05 00 to 07 24 = _____ min
- 2:24 a.m. to 6:41 a.m. = _____ min
(a)
From 16 43 to 22 43 = 6 h
(b)
From 2:22 p.m. to 8:22 p.m. = 6 h
(c)
From 05 00 to 07 00 = 2 h
From 07 00 to 07 24 = 24 min
From 05 00 to 07 24 = 2 h 24 min
1 h = 60 min
2 h = 2 x 60 = 120 min
2 h 24 min = 120 + 24 = 144 min
(d)
From 2:24 a.m. to 6:24 a.m. = 4 h
From 6:24 a.m. to 6:41 a.m. = 17 min
From 2:24 a.m. to 6:41 a.m. = 4 h 17 min
1 h = 60 min
4 h = 4 x 60 = 240 min
4 h 17 min = 240 + 17 = 257 min
Answer(s): 6, 6, 144, 257