Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 14 h = _____ min
- 6 250 m = _____ m (Give the answer in decimal.)
- 3 14 km = _____ m
- 2 18 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
2
14 h = 120 + 15 = 135 min
(b)
250 m =
4100 m = 0.04 m
6 m + 0.04 m = 6.04 m
(c)
1 km = 1000 m
3 km = 3000 m
14 km =
14 x 1000 = 250 m
3
14 km
= 3000 + 250
= 3250 m
(d)
1 kg = 1000 g
2 kg = 2000 g
18 kg =
18 x 1000 = 125 g
2
18 kg
= 2000 + 125
= 2125 g
Answer(s): 135, 6.04, 3250, 2125