Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 112 h = _____ min
- 4 35 m = _____ m (Give the answer in decimal.)
- 8 14 km = _____ m
- 4 35 kg = _____ g
(a)
1 h = 60 min
112 h =
112 x 60 = 5 min
2
112 h = 120 + 5 = 125 min
(b)
35 m =
60100 m = 0.6 m
4 m + 0.6 m = 4.6 m
(c)
1 km = 1000 m
8 km = 8000 m
14 km =
14 x 1000 = 250 m
8
14 km
= 8000 + 250
= 8250 m
(d)
1 kg = 1000 g
4 kg = 4000 g
35 kg =
35 x 1000 = 600 g
4
35 kg
= 4000 + 600
= 4600 g
Answer(s): 125, 4.6, 8250, 4600