Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 13 h = _____ min
- 6 520 m = _____ m (Give the answer in decimal.)
- 2 12 km = _____ m
- 8 38 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
3
13 h = 180 + 20 = 200 min
(b)
520 m =
25100 m = 0.25 m
6 m + 0.25 m = 6.25 m
(c)
1 km = 1000 m
2 km = 2000 m
12 km =
12 x 1000 = 500 m
2
12 km
= 2000 + 500
= 2500 m
(d)
1 kg = 1000 g
8 kg = 8000 g
38 kg =
38 x 1000 = 375 g
8
38 kg
= 8000 + 375
= 8375 g
Answer(s): 200, 6.25, 2500, 8375