Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 14 h = _____ min
- 7 450 m = _____ m (Give the answer in decimal.)
- 8 14 km = _____ m
- 5 12 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
2
14 h = 120 + 15 = 135 min
(b)
450 m =
8100 m = 0.08 m
7 m + 0.08 m = 7.08 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
5 kg = 5000 g
12 kg =
12 x 1000 = 500 g
5
12 kg
= 5000 + 500
= 5500 g
Answer(s): 135, 7.08, 8250, 5500