Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 km = _______ m
- 4 km = _______ cm
- 5 m = _______ cm
- 9 cm = _____ mm
(a)
1 km = 1000 m
9 km
= 9 x 1000
= 9000 m
(b)
1 km
= 1000 m x 100 cm
= 100000 cm
4 km
= 4 x 100000
= 400000 cm
(c)
1 = 100 cm
5 m
= 5 x 100
= 500 cm
(d)
1 cm = 10 mm
9 cm
= 9 x 10
= 90 mm
Answer(s): 9000, 400000, 500, 90