Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 14 h = _____ min
- 4 810 m = _____ m (Give the answer in decimal.)
- 4 14 km = _____ m
- 4 38 kg = _____ g
(a)
1 h = 60 min
14 h =
14 x 60 = 15 min
3
14 h = 180 + 15 = 195 min
(b)
810 m =
80100 m = 0.8 m
4 m + 0.8 m = 4.8 m
(c)
1 km = 1000 m
4 km = 4000 m
14 km =
14 x 1000 = 250 m
4
14 km
= 4000 + 250
= 4250 m
(d)
1 kg = 1000 g
4 kg = 4000 g
38 kg =
38 x 1000 = 375 g
4
38 kg
= 4000 + 375
= 4375 g
Answer(s): 195, 4.8, 4250, 4375