Page 225 - SK Year 5 Mathematics DLP

6 6 SPACE
SP
ACE

REGULAR POLYGONS

1

Let’s identify the
characteristics of
Wow! This mural is regular polygons.
beautiful.

There is a Yes, there are regular
pentagon! polygons and
irregular polygons.

a b
straight side

teacher friends
diagonals
all straight sides
are of equal length

closed all angles
corner interior angle shape are of equal
characteristics size
Characteristics of a of regular
the number polygons
regular pentagon of angles the number of
• 5 straight sides are of equal length equals the symmetrical
number of axes equals
• 5 interior angles corners the number of
• 5 corners reference straight sides
• 5 diagonals books websites

• 5 symmetrical axes

• Carry out polygon-shaped folding activities for pupils using pieces of
paper or card to explore the characteristics of regular polygons. 217
6.1.1 • Explain to pupils that corners are synonymous with vertices. Review the
characteristics of regular polygons. Explain the meaning of interior angle.