Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 12 h = ____ min
- 35 min = _____ s
- 3712 h = _____ min
- 134 min = _____ s
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
(b)
1 min = 60 s
35 min =
35 x 60 = 36 s
(c)
1 h = 60 min
3
712 h
= (3 x 60) + (
712 x 60)
= 180 + 35
= 215 min
(d)
1 min = 60 s
1
34 min
= (1 x 60) + (
34 x 60)
= 60 + 45
= 105 s
Answer(s): 30, 36, 215, 105