Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 15 h = _____ min
- 2 650 m = _____ m (Give the answer in decimal.)
- 4 14 km = _____ m
- 5 18 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
3
15 h = 180 + 12 = 192 min
(b)
650 m =
12100 m = 0.12 m
2 m + 0.12 m = 2.12 m
(c)
1 km = 1000 m
4 km = 4000 m
14 km =
14 x 1000 = 250 m
4
14 km
= 4000 + 250
= 4250 m
(d)
1 kg = 1000 g
5 kg = 5000 g
18 kg =
18 x 1000 = 125 g
5
18 kg
= 5000 + 125
= 5125 g
Answer(s): 192, 2.12, 4250, 5125