Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 13 h = _____ min
- 4 125 m = _____ m (Give the answer in decimal.)
- 9 14 km = _____ m
- 2 34 kg = _____ g
(a)
1 h = 60 min
13 h =
13 x 60 = 20 min
2
13 h = 120 + 20 = 140 min
(b)
125 m =
4100 m = 0.04 m
4 m + 0.04 m = 4.04 m
(c)
1 km = 1000 m
9 km = 9000 m
14 km =
14 x 1000 = 250 m
9
14 km
= 9000 + 250
= 9250 m
(d)
1 kg = 1000 g
2 kg = 2000 g
34 kg =
34 x 1000 = 750 g
2
34 kg
= 2000 + 750
= 2750 g
Answer(s): 140, 4.04, 9250, 2750