Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 12 18 to 23 18 = _____ h
- 3:35 p.m. to 5:35 p.m. = _____ h
- 07 00 to 09 22 = _____ min
- 1:22 a.m. to 5:26 a.m. = _____ min
(a)
From 12 18 to 23 18 = 11 h
(b)
From 3:35 p.m. to 5:35 p.m. = 2 h
(c)
From 07 00 to 09 00 = 2 h
From 09 00 to 09 22 = 22 min
From 07 00 to 09 22 = 2 h 22 min
1 h = 60 min
2 h = 2 x 60 = 120 min
2 h 22 min = 120 + 22 = 142 min
(d)
From 1:22 a.m. to 5:22 a.m. = 4 h
From 5:22 a.m. to 5:26 a.m. = 4 min
From 1:22 a.m. to 5:26 a.m. = 4 h 4 min
1 h = 60 min
4 h = 4 x 60 = 240 min
4 h 4 min = 240 + 4 = 244 min
Answer(s): 11, 2, 142, 244