Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 14 h = _____ min
- 5 725 m = _____ m (Give the answer in decimal.)
- 6 14 km = _____ m
- 9 45 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
2
14 h = 120 + 15 = 135 min
(b)
725 m =
28100 m = 0.28 m
5 m + 0.28 m = 5.28 m
(c)
1 km = 1000 m
6 km = 6000 m
14 km =
14 x 1000 = 250 m
6
14 km
= 6000 + 250
= 6250 m
(d)
1 kg = 1000 g
9 kg = 9000 g
45 kg =
45 x 1000 = 800 g
9
45 kg
= 9000 + 800
= 9800 g
Answer(s): 135, 5.28, 6250, 9800