Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 15 h = _____ min
- 9 750 m = _____ m (Give the answer in decimal.)
- 3 12 km = _____ m
- 4 18 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
3
15 h = 180 + 12 = 192 min
(b)
750 m =
14100 m = 0.14 m
9 m + 0.14 m = 9.14 m
(c)
1 km = 1000 m
3 km = 3000 m
12 km =
12 x 1000 = 500 m
3
12 km
= 3000 + 500
= 3500 m
(d)
1 kg = 1000 g
4 kg = 4000 g
18 kg =
18 x 1000 = 125 g
4
18 kg
= 4000 + 125
= 4125 g
Answer(s): 192, 9.14, 3500, 4125