Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 14 h = _____ min
- 6 320 m = _____ m (Give the answer in decimal.)
- 3 14 km = _____ m
- 7 25 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
3
14 h = 180 + 15 = 195 min
(b)
320 m =
15100 m = 0.15 m
6 m + 0.15 m = 6.15 m
(c)
1 km = 1000 m
3 km = 3000 m
14 km =
14 x 1000 = 250 m
3
14 km
= 3000 + 250
= 3250 m
(d)
1 kg = 1000 g
7 kg = 7000 g
25 kg =
25 x 1000 = 400 g
7
25 kg
= 7000 + 400
= 7400 g
Answer(s): 195, 6.15, 3250, 7400