Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 15 h = _____ min
- 6 450 m = _____ m (Give the answer in decimal.)
- 4 15 km = _____ m
- 6 58 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
1
15 h = 60 + 12 = 72 min
(b)
450 m =
8100 m = 0.08 m
6 m + 0.08 m = 6.08 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
6 kg = 6000 g
58 kg =
58 x 1000 = 625 g
6
58 kg
= 6000 + 625
= 6625 g
Answer(s): 72, 6.08, 4200, 6625