Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 14 h = _____ min
- 8 25 m = _____ m (Give the answer in decimal.)
- 2 15 km = _____ m
- 4 12 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
3
14 h = 180 + 15 = 195 min
(b)
25 m =
40100 m = 0.4 m
8 m + 0.4 m = 8.4 m
(c)
1 km = 1000 m
2 km = 2000 m
15 km =
15 x 1000 = 200 m
2
15 km
= 2000 + 200
= 2200 m
(d)
1 kg = 1000 g
4 kg = 4000 g
12 kg =
12 x 1000 = 500 g
4
12 kg
= 4000 + 500
= 4500 g
Answer(s): 195, 8.4, 2200, 4500