Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 min = _____ s
- 7 h = _____ min
- 240 s = _____ min
- 360 min = _____ h
(a)
1 min = 60 s
7 min
= 7 x 60
= 420 s
(b)
1 h = 60 min
7 h
= 7 x 60
= 420 min
(c)
1 min = 60 s
240 s
= 240 ÷ 60
= 4 min
(d)
1 h = 60 min
360 min
= 360 ÷ 60
= 6 h
Answer(s): 420, 420, 4, 6