57
Length
UNIT 6
Carry out the above activity and record the results in the table below.
Are the number of hand spans equal for all (teacher and pupils)?
What can you conclude?
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Number of hand spans
Teacher
Pupil 1
Pupil 2
Pupil 3
Pupil 4
Length
During a class, the teacher measures the length of the whiteboard using his hand span.
He asks one pupil to do the same.
Measuring length using an arbitrary unit
Activity 1
Pupil
Teacher
Observe carefully and discuss the pictures.
Do you think the teacher and the pupil will get the same number of hand spans? Why?
1
2