Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 12 h = _____ min
- 5 45 m = _____ m (Give the answer in decimal.)
- 8 14 km = _____ m
- 9 35 kg = _____ g
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
3
12 h = 180 + 30 = 210 min
(b)
45 m =
80100 m = 0.8 m
5 m + 0.8 m = 5.8 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
9 kg = 9000 g
35 kg =
35 x 1000 = 600 g
9
35 kg
= 9000 + 600
= 9600 g
Answer(s): 210, 5.8, 8250, 9600