Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 12 h = ____ min
- 1112 min = _____ s
- 135 h = _____ min
- 314 min = _____ s
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
(b)
1 min = 60 s
1112 min =
1112 x 60 = 55 s
(c)
1 h = 60 min
1
35 h
= (1 x 60) + (
35 x 60)
= 60 + 36
= 96 min
(d)
1 min = 60 s
3
14 min
= (3 x 60) + (
14 x 60)
= 180 + 15
= 195 s
Answer(s): 30, 55, 96, 195