Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 15 h = _____ min
- 6 125 m = _____ m (Give the answer in decimal.)
- 2 14 km = _____ m
- 7 58 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
3
15 h = 180 + 12 = 192 min
(b)
125 m =
4100 m = 0.04 m
6 m + 0.04 m = 6.04 m
(c)
1 km = 1000 m
2 km = 2000 m
14 km =
14 x 1000 = 250 m
2
14 km
= 2000 + 250
= 2250 m
(d)
1 kg = 1000 g
7 kg = 7000 g
58 kg =
58 x 1000 = 625 g
7
58 kg
= 7000 + 625
= 7625 g
Answer(s): 192, 6.04, 2250, 7625