Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 6 min 43 s = _____ s
- 5 h 10 min = _____ min
- 220 s = 3 min _____ s
- 196 min = _____ h 16 min
(a)
1 min = 60 s
6 min 43 s
= 6 x 60 + 43
= 360 + 43
= 403 s
(b)
1 h = 60 min
5 h 10 min
= 5 x 60 + 10
= 300 + 10
= 310 min
(c)
60 s = 1 min
180 s = 180 ÷ 60 = 3 min
220 s
= 180 + 40
= 3 min 40 s
(d)
60 min = 1 h
180 min = 180 ÷ 60 = 3 h
196 min
= 180 + 16
= 3 h 16 min
Answer(s): 403, 310, 40, 3