Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 km = _______ m
- 2 km = _______ cm
- 8 m = _______ cm
- 7 cm = _____ mm
(a)
1 km = 1000 m
9 km
= 9 x 1000
= 9000 m
(b)
1 km
= 1000 m x 100 cm
= 100000 cm
2 km
= 2 x 100000
= 200000 cm
(c)
1 = 100 cm
8 m
= 8 x 100
= 800 cm
(d)
1 cm = 10 mm
7 cm
= 7 x 10
= 70 mm
Answer(s): 9000, 200000, 800, 70