Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 6 min 55 s = _____ s
- 3 h 25 min = _____ min
- 260 s = 4 min _____ s
- 308 min = _____ h 8 min
(a)
1 min = 60 s
6 min 55 s
= 6 x 60 + 55
= 360 + 55
= 415 s
(b)
1 h = 60 min
3 h 25 min
= 3 x 60 + 25
= 180 + 25
= 205 min
(c)
60 s = 1 min
240 s = 240 ÷ 60 = 4 min
260 s
= 240 + 20
= 4 min 20 s
(d)
60 min = 1 h
300 min = 300 ÷ 60 = 5 h
308 min
= 300 + 8
= 5 h 8 min
Answer(s): 415, 205, 20, 5