Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 56 h = ____ min
- 12 min = _____ s
- 313 h = _____ min
- 314 min = _____ s
(a)
1 h = 60 min
56 h =
56 x 60 = 50 min
(b)
1 min = 60 s
12 min =
12 x 60 = 30 s
(c)
1 h = 60 min
3
13 h
= (3 x 60) + (
13 x 60)
= 180 + 20
= 200 min
(d)
1 min = 60 s
3
14 min
= (3 x 60) + (
14 x 60)
= 180 + 15
= 195 s
Answer(s): 50, 30, 200, 195