Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 km 27 m = ______ cm
- 6 km 5 m = ______ m
- 9 km 836 m = _______ m
- 4 km 2 m 3 cm = _______ cm
(a)
1 km = 100000 cm
1 m = 100 cm
5 km 27 m
= 5 x 100000 + 27 x 100
= 500000 + 2700
= 502700 cm
(b)
1 km = 1000 m
6 km 5 m
= 6 x 1000 + 5
= 6000 + 5
= 6005 m
(c)
1 km = 1000 m
9 km 836 m
= 9 x 1000 + 836
= 9000 + 836
= 9836 m
(d)
1 km = 100000 cm
1 m = 100 cm
4 km 2 m 3 cm
= 4 x 100000 + 2 x 100 + 3
= 400000 + 200 + 3
= 400203 cm
Answer(s): 502700, 6005, 9836, 400203