Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 15 h = _____ min
- 4 110 m = _____ m (Give the answer in decimal.)
- 4 14 km = _____ m
- 3 12 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
3
15 h = 180 + 12 = 192 min
(b)
110 m =
10100 m = 0.1 m
4 m + 0.1 m = 4.1 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
3 kg = 3000 g
12 kg =
12 x 1000 = 500 g
3
12 kg
= 3000 + 500
= 3500 g
Answer(s): 192, 4.1, 4250, 3500