Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 15 h = _____ min
- 3 610 m = _____ m (Give the answer in decimal.)
- 5 12 km = _____ m
- 7 34 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
3
15 h = 180 + 12 = 192 min
(b)
610 m =
60100 m = 0.6 m
3 m + 0.6 m = 3.6 m
(c)
1 km = 1000 m
5 km = 5000 m
12 km =
12 x 1000 = 500 m
5
12 km
= 5000 + 500
= 5500 m
(d)
1 kg = 1000 g
7 kg = 7000 g
34 kg =
34 x 1000 = 750 g
7
34 kg
= 7000 + 750
= 7750 g
Answer(s): 192, 3.6, 5500, 7750