Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 14 h = _____ min
- 5 110 m = _____ m (Give the answer in decimal.)
- 3 15 km = _____ m
- 3 12 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
2
14 h = 120 + 15 = 135 min
(b)
110 m =
10100 m = 0.1 m
5 m + 0.1 m = 5.1 m
(c)
1 km = 1000 m
3 km = 3000 m
15 km =
15 x 1000 = 200 m
3
15 km
= 3000 + 200
= 3200 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): 135, 5.1, 3200, 3500