Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 13 h = _____ min
- 4 15 m = _____ m (Give the answer in decimal.)
- 8 12 km = _____ m
- 7 34 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
3
13 h = 180 + 20 = 200 min
(b)
15 m =
20100 m = 0.2 m
4 m + 0.2 m = 4.2 m
(c)
1 km = 1000 m
8 km = 8000 m
12 km =
12 x 1000 = 500 m
8
12 km
= 8000 + 500
= 8500 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): 200, 4.2, 8500, 7750