Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 13 h = _____ min
- 4 650 m = _____ m (Give the answer in decimal.)
- 3 15 km = _____ m
- 9 58 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
3
13 h = 180 + 20 = 200 min
(b)
650 m =
12100 m = 0.12 m
4 m + 0.12 m = 4.12 m
(c)
1 km = 1000 m
3 km = 3000 m
15 km =
15 x 1000 = 200 m
3
15 km
= 3000 + 200
= 3200 m
(d)
1 kg = 1000 g
9 kg = 9000 g
58 kg =
58 x 1000 = 625 g
9
58 kg
= 9000 + 625
= 9625 g
Answer(s): 200, 4.12, 3200, 9625