Page 30 - 新思维数学学生用书5 样章
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2.2 Symmetry
5 Copy and complete this pattern by reflecting the shapes over both mirror lines until
there are three shapes in each quadrant.
Think like a mathematician
This is a square grid of 9 squares.
Use one colour pen or pencil and squared paper.
How many patterns with at least 1 line of symmetry can you make
by shading 4 squares?
Try not to make patterns that look the same from different
directions.
For example, these two patterns are the same.
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