Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 h = ____ min
- 540 min = _____ h
- 7 h 39 min = ______ min
- 4 min = _____ s
(a)
1 h = 60 min
4 h = 4 x 60 = 240 min
(b)
1 h = 60 min
540 min = 540 ÷ 60 = 9 h
(c)
1 h = 60 min
7 h 39 min
= 7 x 60 + 39
= 459 min
(d)
1 min = 60 s
4 min = 4 x 60 = 240 s
Answer(s): 240, 9, 459, 240