Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 h = ____ min
- 240 min = _____ h
- 4 h 39 min = ______ min
- 3 min = _____ s
(a)
1 h = 60 min
4 h = 4 x 60 = 240 min
(b)
1 h = 60 min
240 min = 240 ÷ 60 = 4 h
(c)
1 h = 60 min
4 h 39 min
= 4 x 60 + 39
= 279 min
(d)
1 min = 60 s
3 min = 3 x 60 = 180 s
Answer(s): 240, 4, 279, 180