Page 29 - 新思维数学学生用书5 样章

2 2D shape and pattern

2 These tiles have reflective symmetry in their shape and in their patterns. How many
lines of symmetry does each pattern have?

a b c

d e

3 Look at this pattern.
What colour can you colour the square

at * to make a pattern with exactly:

a one line of symmetry?
b two lines of symmetry?

c more than two lines of symmetry? *

4 Look at this tile pattern.

If the pattern is reflected in the two red mirror
lines, what colour will these squares be? A

A B

C D C
E F E F

G

Copy the pattern onto squared paper and D G
colour the rest of the pattern as it will look B

when it is reflected in the two mirror lines.

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