Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 min = _____ s
- 9 h = _____ min
- 180 s = _____ min
- 540 min = _____ h
(a)
1 min = 60 s
9 min
= 9 x 60
= 540 s
(b)
1 h = 60 min
9 h
= 9 x 60
= 540 min
(c)
1 min = 60 s
180 s
= 180 ÷ 60
= 3 min
(d)
1 h = 60 min
540 min
= 540 ÷ 60
= 9 h
Answer(s): 540, 540, 3, 9