Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 112 h = _____ min
- 7 250 m = _____ m (Give the answer in decimal.)
- 6 12 km = _____ m
- 9 34 kg = _____ g
(a)
1 h = 60 min
112 h =
112 x 60 = 5 min
3
112 h = 180 + 5 = 185 min
(b)
250 m =
4100 m = 0.04 m
7 m + 0.04 m = 7.04 m
(c)
1 km = 1000 m
6 km = 6000 m
12 km =
12 x 1000 = 500 m
6
12 km
= 6000 + 500
= 6500 m
(d)
1 kg = 1000 g
9 kg = 9000 g
34 kg =
34 x 1000 = 750 g
9
34 kg
= 9000 + 750
= 9750 g
Answer(s): 185, 7.04, 6500, 9750