Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 12 h = ____ min
- 56 min = _____ s
- 335 h = _____ min
- 116 min = _____ s
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
(b)
1 min = 60 s
56 min =
56 x 60 = 50 s
(c)
1 h = 60 min
3
35 h
= (3 x 60) + (
35 x 60)
= 180 + 36
= 216 min
(d)
1 min = 60 s
1
16 min
= (1 x 60) + (
16 x 60)
= 60 + 10
= 70 s
Answer(s): 30, 50, 216, 70