Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 15 h = _____ min
- 5 720 m = _____ m (Give the answer in decimal.)
- 6 15 km = _____ m
- 6 45 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
2
15 h = 120 + 12 = 132 min
(b)
720 m =
35100 m = 0.35 m
5 m + 0.35 m = 5.35 m
(c)
1 km = 1000 m
6 km = 6000 m
15 km =
15 x 1000 = 200 m
6
15 km
= 6000 + 200
= 6200 m
(d)
1 kg = 1000 g
6 kg = 6000 g
45 kg =
45 x 1000 = 800 g
6
45 kg
= 6000 + 800
= 6800 g
Answer(s): 132, 5.35, 6200, 6800