Foundation Mathematics Primary 4 Symmetry

A butterfly is drawn on grid paper with a vertical line of symmetry down the middle. The left half has 12 small squares shaded. How many small squares should be shaded on the right half to complete the symmetric butterfly?

A 12 squares
B 6 squares
C 18 squares
D 24 squares
Show Worked Solution

Worked Solution

Step 1: A figure with a vertical line of symmetry has identical halves on each side. Step 2: If the left half has 12 shaded squares, the right half must also have exactly 12 shaded squares. Final: The right half should have 12 shaded squares.

Correct answer: 12 squares

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