Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 14 h = _____ min
- 4 24 m = _____ m (Give the answer in decimal.)
- 2 15 km = _____ m
- 3 15 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
1
14 h = 60 + 15 = 75 min
(b)
24 m =
50100 m = 0.5 m
4 m + 0.5 m = 4.5 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
3 kg = 3000 g
15 kg =
15 x 1000 = 200 g
3
15 kg
= 3000 + 200
= 3200 g
Answer(s): 75, 4.5, 2200, 3200