Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 15 h = _____ min
- 5 825 m = _____ m (Give the answer in decimal.)
- 4 15 km = _____ m
- 3 12 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
2
15 h = 120 + 12 = 132 min
(b)
825 m =
32100 m = 0.32 m
5 m + 0.32 m = 5.32 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
3 kg = 3000 g
12 kg =
12 x 1000 = 500 g
3
12 kg
= 3000 + 500
= 3500 g
Answer(s): 132, 5.32, 4200, 3500