Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 13 h = _____ min
- 5 520 m = _____ m (Give the answer in decimal.)
- 6 14 km = _____ m
- 4 15 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
2
13 h = 120 + 20 = 140 min
(b)
520 m =
25100 m = 0.25 m
5 m + 0.25 m = 5.25 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
4 kg = 4000 g
15 kg =
15 x 1000 = 200 g
4
15 kg
= 4000 + 200
= 4200 g
Answer(s): 140, 5.25, 6250, 4200