Nuffield Free-Standing Mathematics Activity
Measure it!
© Nuffield Foundation 2011
What could you use to
measure these?
What units would you use?
This activity is about estimating and
measuring lengths.
© Nuffield Foundation 2011
0
10
20
30
40
50
60
70 mm 80
0
1
2
3
4
5
6
7
0.4 cm
3.5 cm
6.8 cm
4 mm
35 mm
68 mm
© Nuffield Foundation 2011
cm
8
Write these measurements in centimetres and
millimetres:
0
H
3
2
1
A
D
4
E
6
5
C
B
F
A = 1.5 cm = 15 mm
B = 5.1 cm = 51 mm
C = 4.4 cm = 44 mm
D = 2.3 cm = 23 mm
E = 3.6 cm = 36 mm
F = 5.9 cm = 59 mm
G = 7.6 cm = 76 mm
H = 0.7 cm = 7 mm
© Nuffield Foundation 2011
7
cm
G
8
How do you measure the length of a pencil?
Is this correct?
One end of the pencil must be at 0.
Read the length on the ruler at the other end
of the pencil.
© Nuffield Foundation 2011
Measure it!
At the end of the activity
How many centimetres are there in 1 metre?
How many centimetres are there in 5 metres?
How many millimetres are there in 1 metre?
How many millimetres are there in 2 metres?
How long is your ruler?
Roughly how wide is your little finger?
Roughly how long is your foot?
Roughly how wide is your armspan?
How many millimetres are there in 1 centimetre?
How many millimetres are there in 1.5 cm?
What length in centimetres is the same as 24 mm?
© Nuffield Foundation 2011