Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 min = _____ s
- 9 h = _____ min
- 420 s = _____ min
- 480 min = _____ h
(a)
1 min = 60 s
2 min
= 2 x 60
= 120 s
(b)
1 h = 60 min
9 h
= 9 x 60
= 540 min
(c)
1 min = 60 s
420 s
= 420 ÷ 60
= 7 min
(d)
1 h = 60 min
480 min
= 480 ÷ 60
= 8 h
Answer(s): 120, 540, 7, 8