Metres and centimetres
Today I can convert between metres and centimetres using decimal place value.
A Look back3 min
- 1.
6 × 10 =
- 2.
74 47
- 3.
3 tens and 8 ones make
B Watch me, then you4 min
Ola's pencil is 36 cm long. How long is it in metres?
Each cell is one centimetre. 36 cells are shaded.
100 cells make 1 metre, so each cell is a hundredth of a metre.
So 36 cm is 0.36 m.
- 1.
A pencil is 52 cm long. How long is it in metres? m
C Your turn6 min
The strip shows 100 cm, which is 1 metre.
- 1.
4 cm = m
- 2.
40 cm = m
- 3.
47 cm = m
- 4.
105 cm = m
Say it out loud: What did you notice about the digits after the point as the centimetres grew?
D Spot the mistake3 min
- 1.
What is 3 cm in metres? m
E Think deeper4 min
- 1.
Which of these lengths are the same as 1.2 m?
120 cm12 cm1 m 20 cm1.02 m102 cm