Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 h = ____ min
- 240 min = _____ h
- 3 h 22 min = ______ min
- 4 min = _____ s
(a)
1 h = 60 min
7 h = 7 x 60 = 420 min
(b)
1 h = 60 min
240 min = 240 ÷ 60 = 4 h
(c)
1 h = 60 min
3 h 22 min
= 3 x 60 + 22
= 202 min
(d)
1 min = 60 s
4 min = 4 x 60 = 240 s
Answer(s): 420, 4, 202, 240