Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 14 h = _____ min
- 5 820 m = _____ m (Give the answer in decimal.)
- 8 14 km = _____ m
- 7 34 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
1
14 h = 60 + 15 = 75 min
(b)
820 m =
40100 m = 0.4 m
5 m + 0.4 m = 5.4 m
(c)
1 km = 1000 m
8 km = 8000 m
14 km =
14 x 1000 = 250 m
8
14 km
= 8000 + 250
= 8250 m
(d)
1 kg = 1000 g
7 kg = 7000 g
34 kg =
34 x 1000 = 750 g
7
34 kg
= 7000 + 750
= 7750 g
Answer(s): 75, 5.4, 8250, 7750