Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 15 h = _____ min
- 4 850 m = _____ m (Give the answer in decimal.)
- 9 15 km = _____ m
- 2 12 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
2
15 h = 120 + 12 = 132 min
(b)
850 m =
16100 m = 0.16 m
4 m + 0.16 m = 4.16 m
(c)
1 km = 1000 m
9 km = 9000 m
15 km =
15 x 1000 = 200 m
9
15 km
= 9000 + 200
= 9200 m
(d)
1 kg = 1000 g
2 kg = 2000 g
12 kg =
12 x 1000 = 500 g
2
12 kg
= 2000 + 500
= 2500 g
Answer(s): 132, 4.16, 9200, 2500