Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 13 h = _____ min
- 5 850 m = _____ m (Give the answer in decimal.)
- 5 15 km = _____ m
- 5 25 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
3
13 h = 180 + 20 = 200 min
(b)
850 m =
16100 m = 0.16 m
5 m + 0.16 m = 5.16 m
(c)
1 km = 1000 m
5 km = 5000 m
15 km =
15 x 1000 = 200 m
5
15 km
= 5000 + 200
= 5200 m
(d)
1 kg = 1000 g
5 kg = 5000 g
25 kg =
25 x 1000 = 400 g
5
25 kg
= 5000 + 400
= 5400 g
Answer(s): 200, 5.16, 5200, 5400