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Learning by Doing

Objective: To find the lines of symmetry by paper folding.
materials required: Rectangular sheets of paper, a paper punching tool, pencil.

Procedure:
• Take a sheet of paper and fold it into two halves.

• Punch the holes while the paper is folded.

• Open the fold and observe the punches and the crease.

Observation:
The three punches are symmetrical, and the line along which the paper was folded is a
line of symmetry.
Use different sheets of paper to get the different symmetrical punches shown below.

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