Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 12 h = _____ min
- 8 550 m = _____ m (Give the answer in decimal.)
- 8 14 km = _____ m
- 2 34 kg = _____ g
(a)
1 h = 60 min
12 h =
12 x 60 = 30 min
3
12 h = 180 + 30 = 210 min
(b)
550 m =
10100 m = 0.1 m
8 m + 0.1 m = 8.1 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
2 kg = 2000 g
34 kg =
34 x 1000 = 750 g
2
34 kg
= 2000 + 750
= 2750 g
Answer(s): 210, 8.1, 8250, 2750