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E:\Working\Brother_Education\Preparatory_Stage_Maths-3_(11-09-2024)\Open_Files\CHAP_09
\ 11-Sep-2024 Sonia Suyal Proof-1 Reader’s Sign _______________________ Date __________

Learning by Doing

objective: To understand and compare the weight and heights of children.

Materials Required: Weighing machine, a sheet of paper, geometry box

procedure:

Š The teacher divides the class into groups of five.
Š She calls a group at a time to perform the activity.
Š She asks the members of the groups to find the weight of each other in kg and g
using the weighing machine.

Š Children make a record of their weight on a sheet of paper.

Weight Height

S.no. name of students
kilogram gram metre centimetre
(kg) (g) (m) (cm)

1.

2.

3.

4.

5.

Š The teacher asks the students to find out the heaviest and the lightest children of
the group.
Š Also, find the tallest children among them.

Š Children also find out how many of them are less than 30 kg.
Š The same process is repeated with children of the other groups.
Š Now, the teacher announces the heaviest child and the tallest child of the class.

Š She also explains the bad effects of being overweight and how they should avoid
becoming overweight.

166 Mathematics-3