Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 min = _____ s
- 9 h = _____ min
- 360 s = _____ min
- 420 min = _____ h
(a)
1 min = 60 s
8 min
= 8 x 60
= 480 s
(b)
1 h = 60 min
9 h
= 9 x 60
= 540 min
(c)
1 min = 60 s
360 s
= 360 ÷ 60
= 6 min
(d)
1 h = 60 min
420 min
= 420 ÷ 60
= 7 h
Answer(s): 480, 540, 6, 7