Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 13 h = _____ min
- 3 620 m = _____ m (Give the answer in decimal.)
- 2 14 km = _____ m
- 8 14 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
1
13 h = 60 + 20 = 80 min
(b)
620 m =
30100 m = 0.3 m
3 m + 0.3 m = 3.3 m
(c)
1 km = 1000 m
2 km = 2000 m
14 km =
14 x 1000 = 250 m
2
14 km
= 2000 + 250
= 2250 m
(d)
1 kg = 1000 g
8 kg = 8000 g
14 kg =
14 x 1000 = 250 g
8
14 kg
= 8000 + 250
= 8250 g
Answer(s): 80, 3.3, 2250, 8250