Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 13 h = _____ min
- 8 850 m = _____ m (Give the answer in decimal.)
- 9 12 km = _____ m
- 4 18 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
3
13 h = 180 + 20 = 200 min
(b)
850 m =
16100 m = 0.16 m
8 m + 0.16 m = 8.16 m
(c)
1 km = 1000 m
9 km = 9000 m
12 km =
12 x 1000 = 500 m
9
12 km
= 9000 + 500
= 9500 m
(d)
1 kg = 1000 g
4 kg = 4000 g
18 kg =
18 x 1000 = 125 g
4
18 kg
= 4000 + 125
= 4125 g
Answer(s): 200, 8.16, 9500, 4125