Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 13 h = _____ min
- 8 710 m = _____ m (Give the answer in decimal.)
- 4 15 km = _____ m
- 5 34 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
3
13 h = 180 + 20 = 200 min
(b)
710 m =
70100 m = 0.7 m
8 m + 0.7 m = 8.7 m
(c)
1 km = 1000 m
4 km = 4000 m
15 km =
15 x 1000 = 200 m
4
15 km
= 4000 + 200
= 4200 m
(d)
1 kg = 1000 g
5 kg = 5000 g
34 kg =
34 x 1000 = 750 g
5
34 kg
= 5000 + 750
= 5750 g
Answer(s): 200, 8.7, 4200, 5750