Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 23 h = _____ min
- 2 750 m = _____ m (Give the answer in decimal.)
- 4 14 km = _____ m
- 6 34 kg = _____ g
(a)
1 h = 60 min
23 h =
23 x 60 = 40 min
1
23 h = 60 + 40 = 100 min
(b)
750 m =
14100 m = 0.14 m
2 m + 0.14 m = 2.14 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
6 kg = 6000 g
34 kg =
34 x 1000 = 750 g
6
34 kg
= 6000 + 750
= 6750 g
Answer(s): 100, 2.14, 4250, 6750