Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 12 h = ____ min
- 14 min = _____ s
- 3110 h = _____ min
- 316 min = _____ s
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
(b)
1 min = 60 s
14 min =
14 x 60 = 15 s
(c)
1 h = 60 min
3
110 h
= (3 x 60) + (
110 x 60)
= 180 + 6
= 186 min
(d)
1 min = 60 s
3
16 min
= (3 x 60) + (
16 x 60)
= 180 + 10
= 190 s
Answer(s): 30, 15, 186, 190