Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 14 h = _____ min
- 9 225 m = _____ m (Give the answer in decimal.)
- 4 14 km = _____ m
- 2 78 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
1
14 h = 60 + 15 = 75 min
(b)
225 m =
8100 m = 0.08 m
9 m + 0.08 m = 9.08 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
2 kg = 2000 g
78 kg =
78 x 1000 = 875 g
2
78 kg
= 2000 + 875
= 2875 g
Answer(s): 75, 9.08, 4250, 2875