Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 15 h = _____ min
- 7 510 m = _____ m (Give the answer in decimal.)
- 5 14 km = _____ m
- 6 14 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
3
15 h = 180 + 12 = 192 min
(b)
510 m =
50100 m = 0.5 m
7 m + 0.5 m = 7.5 m
(c)
1 km = 1000 m
5 km = 5000 m
14 km =
14 x 1000 = 250 m
5
14 km
= 5000 + 250
= 5250 m
(d)
1 kg = 1000 g
6 kg = 6000 g
14 kg =
14 x 1000 = 250 g
6
14 kg
= 6000 + 250
= 6250 g
Answer(s): 192, 7.5, 5250, 6250