Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 16 h = ____ min
- 712 min = _____ s
- 225 h = _____ min
- 134 min = _____ s
(a)
1 h = 60 min
16 h =
16 x 60 = 10 min
(b)
1 min = 60 s
712 min =
712 x 60 = 35 s
(c)
1 h = 60 min
2
25 h
= (2 x 60) + (
25 x 60)
= 120 + 24
= 144 min
(d)
1 min = 60 s
1
34 min
= (1 x 60) + (
34 x 60)
= 60 + 45
= 105 s
Answer(s): 10, 35, 144, 105