Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 12 h = _____ min
- 9 350 m = _____ m (Give the answer in decimal.)
- 5 15 km = _____ m
- 6 14 kg = _____ g
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
1
12 h = 60 + 30 = 90 min
(b)
350 m =
6100 m = 0.06 m
9 m + 0.06 m = 9.06 m
(c)
1 km = 1000 m
5 km = 5000 m
15 km =
15 x 1000 = 200 m
5
15 km
= 5000 + 200
= 5200 m
(d)
1 kg = 1000 g
6 kg = 6000 g
14 kg =
14 x 1000 = 250 g
6
14 kg
= 6000 + 250
= 6250 g
Answer(s): 90, 9.06, 5200, 6250