Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 13 h = _____ min
- 5 35 m = _____ m (Give the answer in decimal.)
- 8 15 km = _____ m
- 7 38 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
2
13 h = 120 + 20 = 140 min
(b)
35 m =
60100 m = 0.6 m
5 m + 0.6 m = 5.6 m
(c)
1 km = 1000 m
8 km = 8000 m
15 km =
15 x 1000 = 200 m
8
15 km
= 8000 + 200
= 8200 m
(d)
1 kg = 1000 g
7 kg = 7000 g
38 kg =
38 x 1000 = 375 g
7
38 kg
= 7000 + 375
= 7375 g
Answer(s): 140, 5.6, 8200, 7375