Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 min 4 s = _____ s
- 5 h 15 min = _____ min
- 195 s = 3 min _____ s
- 377 min = _____ h 17 min
(a)
1 min = 60 s
5 min 4 s
= 5 x 60 + 4
= 300 + 4
= 304 s
(b)
1 h = 60 min
5 h 15 min
= 5 x 60 + 15
= 300 + 15
= 315 min
(c)
60 s = 1 min
180 s = 180 ÷ 60 = 3 min
195 s
= 180 + 15
= 3 min 15 s
(d)
60 min = 1 h
360 min = 360 ÷ 60 = 6 h
377 min
= 360 + 17
= 6 h 17 min
Answer(s): 304, 315, 15, 6