Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 112 h = _____ min
- 9 750 m = _____ m (Give the answer in decimal.)
- 8 14 km = _____ m
- 7 14 kg = _____ g
(a)
1 h = 60 min
112 h =
112 x 60 = 5 min
2
112 h = 120 + 5 = 125 min
(b)
750 m =
14100 m = 0.14 m
9 m + 0.14 m = 9.14 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
7 kg = 7000 g
14 kg =
14 x 1000 = 250 g
7
14 kg
= 7000 + 250
= 7250 g
Answer(s): 125, 9.14, 8250, 7250