Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 6 km 53 m = ______ cm
- 9 km 9 m = ______ m
- 6 km 828 m = _______ m
- 4 km 6 m 4 cm = _______ cm
(a)
1 km = 100000 cm
1 m = 100 cm
6 km 53 m
= 6 x 100000 + 53 x 100
= 600000 + 5300
= 605300 cm
(b)
1 km = 1000 m
9 km 9 m
= 9 x 1000 + 9
= 9000 + 9
= 9009 m
(c)
1 km = 1000 m
6 km 828 m
= 6 x 1000 + 828
= 6000 + 828
= 6828 m
(d)
1 km = 100000 cm
1 m = 100 cm
4 km 6 m 4 cm
= 4 x 100000 + 6 x 100 + 4
= 400000 + 600 + 4
= 400604 cm
Answer(s): 605300, 9009, 6828, 400604