Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 14 h = _____ min
- 4 220 m = _____ m (Give the answer in decimal.)
- 7 12 km = _____ m
- 8 34 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
2
14 h = 120 + 15 = 135 min
(b)
220 m =
10100 m = 0.1 m
4 m + 0.1 m = 4.1 m
(c)
1 km = 1000 m
7 km = 7000 m
12 km =
12 x 1000 = 500 m
7
12 km
= 7000 + 500
= 7500 m
(d)
1 kg = 1000 g
8 kg = 8000 g
34 kg =
34 x 1000 = 750 g
8
34 kg
= 8000 + 750
= 8750 g
Answer(s): 135, 4.1, 7500, 8750