Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 h = ____ min
- 420 min = _____ h
- 5 h 22 min = ______ min
- 9 min = _____ s
(a)
1 h = 60 min
5 h = 5 x 60 = 300 min
(b)
1 h = 60 min
420 min = 420 ÷ 60 = 7 h
(c)
1 h = 60 min
5 h 22 min
= 5 x 60 + 22
= 322 min
(d)
1 min = 60 s
9 min = 9 x 60 = 540 s
Answer(s): 300, 7, 322, 540