Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 13 h = _____ min
- 9 850 m = _____ m (Give the answer in decimal.)
- 4 15 km = _____ m
- 9 12 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
9 m + 0.16 m = 9.16 m
(c)
1 km = 1000 m
4 km = 4000 m
15 km =
15 x 1000 = 200 m
4
15 km
= 4000 + 200
= 4200 m
(d)
1 kg = 1000 g
9 kg = 9000 g
12 kg =
12 x 1000 = 500 g
9
12 kg
= 9000 + 500
= 9500 g
Answer(s): 200, 9.16, 4200, 9500