Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 h = ____ min
- 300 min = _____ h
- 5 h 8 min = ______ min
- 7 min = _____ s
(a)
1 h = 60 min
9 h = 9 x 60 = 540 min
(b)
1 h = 60 min
300 min = 300 ÷ 60 = 5 h
(c)
1 h = 60 min
5 h 8 min
= 5 x 60 + 8
= 308 min
(d)
1 min = 60 s
7 min = 7 x 60 = 420 s
Answer(s): 540, 5, 308, 420