Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 112 h = _____ min
- 6 320 m = _____ m (Give the answer in decimal.)
- 9 12 km = _____ m
- 8 34 kg = _____ g
(a)
1 h = 60 min
112 h =
112 x 60 = 5 min
3
112 h = 180 + 5 = 185 min
(b)
320 m =
15100 m = 0.15 m
6 m + 0.15 m = 6.15 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
8 kg = 8000 g
34 kg =
34 x 1000 = 750 g
8
34 kg
= 8000 + 750
= 8750 g
Answer(s): 185, 6.15, 9500, 8750