Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 14 h = _____ min
- 4 525 m = _____ m (Give the answer in decimal.)
- 7 15 km = _____ m
- 4 34 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
3
14 h = 180 + 15 = 195 min
(b)
525 m =
20100 m = 0.2 m
4 m + 0.2 m = 4.2 m
(c)
1 km = 1000 m
7 km = 7000 m
15 km =
15 x 1000 = 200 m
7
15 km
= 7000 + 200
= 7200 m
(d)
1 kg = 1000 g
4 kg = 4000 g
34 kg =
34 x 1000 = 750 g
4
34 kg
= 4000 + 750
= 4750 g
Answer(s): 195, 4.2, 7200, 4750