Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 h = _____ min
- 2 h 1 min = _____ min
- _____ h 20 min = 140 min
- 2 h _____ min = 137 min
(a)
1 h = 60 min
2 h
= 2 x 60 min
= 120 min
(b)
1 h = 60 min
2 h min = 120 min
2 h 1 min
= 120 min + 1 min
= 121 min
(c)
1 h = 60 min
140 min
= 120 min + 20 min
= 2 h 20 min
(d)
1 h = 60 min
2 h = 120 min
137 min
= 120 min + 17 min
= 2 h 17 min
Answer(s): 120, 121, 2, 17