Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 13 h = _____ min
- 8 610 m = _____ m (Give the answer in decimal.)
- 9 15 km = _____ m
- 6 34 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
2
13 h = 120 + 20 = 140 min
(b)
610 m =
60100 m = 0.6 m
8 m + 0.6 m = 8.6 m
(c)
1 km = 1000 m
9 km = 9000 m
15 km =
15 x 1000 = 200 m
9
15 km
= 9000 + 200
= 9200 m
(d)
1 kg = 1000 g
6 kg = 6000 g
34 kg =
34 x 1000 = 750 g
6
34 kg
= 6000 + 750
= 6750 g
Answer(s): 140, 8.6, 9200, 6750