Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 14 h = _____ min
- 8 250 m = _____ m (Give the answer in decimal.)
- 2 15 km = _____ m
- 6 25 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
3
14 h = 180 + 15 = 195 min
(b)
250 m =
4100 m = 0.04 m
8 m + 0.04 m = 8.04 m
(c)
1 km = 1000 m
2 km = 2000 m
15 km =
15 x 1000 = 200 m
2
15 km
= 2000 + 200
= 2200 m
(d)
1 kg = 1000 g
6 kg = 6000 g
25 kg =
25 x 1000 = 400 g
6
25 kg
= 6000 + 400
= 6400 g
Answer(s): 195, 8.04, 2200, 6400