Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 15 h = _____ min
- 3 810 m = _____ m (Give the answer in decimal.)
- 9 14 km = _____ m
- 7 14 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
2
15 h = 120 + 12 = 132 min
(b)
810 m =
80100 m = 0.8 m
3 m + 0.8 m = 3.8 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
7 kg = 7000 g
14 kg =
14 x 1000 = 250 g
7
14 kg
= 7000 + 250
= 7250 g
Answer(s): 132, 3.8, 9250, 7250