Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 h = ____ min
- 180 min = _____ h
- 4 h 30 min = ______ min
- 6 min = _____ s
(a)
1 h = 60 min
7 h = 7 x 60 = 420 min
(b)
1 h = 60 min
180 min = 180 ÷ 60 = 3 h
(c)
1 h = 60 min
4 h 30 min
= 4 x 60 + 30
= 270 min
(d)
1 min = 60 s
6 min = 6 x 60 = 360 s
Answer(s): 420, 3, 270, 360