Reflective Symmetry and Telling the Time

1
Reflective Symmetry and Telling the Time
2
Mental Learning Objective

• I can count in 2s, 5s and 10s and in fractions (½
  or ¼ )

3
(No Transcript)
4
Main Lesson Learning Objective

• By the end of this lesson, I will be able to find
  all the lines of symmetry in a regular shape
  (Reflective symmetry).

5
Reflective Symmetry
How many lines of symmetry are there in an
equilateral triangle?
3
6
Reflective Symmetry
How many lines of symmetry are there in a square?
4
7
Reflective Symmetry
How many lines of symmetry are there in a
Pentagon?
5
8
Now you try

• Remember that today's main learning objective
  is-

By the end of this lesson, I will be able to find
all the lines of symmetry in a regular shape
(Reflective symmetry).
9
Todays learning objectives

• I can count in 2s, 5s and 10s and in fractions (½
  or ¼ )
• By the end of this lesson, I will be able to find
  all the lines of symmetry in a regular shape
  (Reflective symmetry).

10
Plenary

• The relationship between the number of sides a
  regular shape has and the number of reflective
  symmetries is.