Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 20 m = ______ cm
- 7 km = ______ m
- _____ m = 1600 cm
- _____ km = 9000 m
(a)
1 m = 100 cm
20 m
= 20 x 100
= 2000 cm
(b)
1 km = 1000 m
7 km
= 7 x 1000
= 7000 m
(c)
1 m = 100 cm
1600 cm
= 1600 ÷ 100
= 16 m
(d)
1 km = 1000 m
9000 m
= 9000 ÷ 1000
= 9 km
Answer(s): 2000, 7000, 16, 9