Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 12 h = _____ min
- 7 750 m = _____ m (Give the answer in decimal.)
- 5 14 km = _____ m
- 5 34 kg = _____ g
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
2
12 h = 120 + 30 = 150 min
(b)
750 m =
14100 m = 0.14 m
7 m + 0.14 m = 7.14 m
(c)
1 km = 1000 m
5 km = 5000 m
14 km =
14 x 1000 = 250 m
5
14 km
= 5000 + 250
= 5250 m
(d)
1 kg = 1000 g
5 kg = 5000 g
34 kg =
34 x 1000 = 750 g
5
34 kg
= 5000 + 750
= 5750 g
Answer(s): 150, 7.14, 5250, 5750