1. Line Symmetry
Year 4

2. A shape has line symmetry if…
You can draw a line through it so that one part is exactly the same as the other part.

3. These shapes have one line of symmetry

4. These shapes have two lines of symmetry

5. Some shapes have more than 2 lines of symmetry
How many lines of symmetry has a square got?

6. Watch!
A square has 4 lines of symmetry

7. How many lines of symmetry does this shape have?1 2
More than 2

8. Watch!
This shape has 1 line of symmetry

9. Well done!

10. But how many lines of symmetry does this shape have?1 2
More than 2

11. Watch!
This shape has 2 lines of symmetry

12. Well done!

13. How many lines of symmetry does this shape have?1 2
More than 2

14. Watch!
This shape has 3 lines of symmetry

15. Well done!

16. But how many lines of symmetry does this shape have?1 2
More than 2

17. Watch!
This shape has only 2 lines of symmetry

18. Well done!

19. …you join two shapes together?
What happens when…
…you join two shapes together?
Investigate.