Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 h = _____ min
- 3 h 7 min = _____ min
- _____ h 20 min = 80 min
- 4 h _____ min = 262 min
(a)
1 h = 60 min
4 h
= 4 x 60 min
= 240 min
(b)
1 h = 60 min
3 h min = 180 min
3 h 7 min
= 180 min + 7 min
= 187 min
(c)
1 h = 60 min
80 min
= 60 min + 20 min
= 1 h 20 min
(d)
1 h = 60 min
4 h = 240 min
262 min
= 240 min + 22 min
= 4 h 22 min
Answer(s): 240, 187, 1, 22