1. What Quadrilateral am I? I have… 1 Diagonals that intersect at right-angles One line of symmetry All internal angles are acute or obtuse One pair of equal angles 2 pairs of adjacent sides of equal length

2. What Quadrilateral am I? I have… Diagonals that intersect at right-angles One line of symmetry All internal angles are acute or obtuse One pair of equal angles KITE 1 SQUARE RHOMBUS KITE ARROWHEAD KITE ARROWHEAD 2 pairs of adjacent sides of equal length

3. What Quadrilateral am I? I have… Rotational symmetry of order 2 No lines of symmetry Opposite sides parallel Two pairs of equal angles 2

4. What Quadrilateral am I? I have… Four right-angles Opposite sides parallel Rotational Symmetry of order 4 All sides of equal length 3

5. What Quadrilateral am I? I have… Diagonals that intersect at right-angles One line of symmetry 2 pairs of adjacent sides of equal length 1 internal angle that is reflex 4

6. What Quadrilateral am I? I have… Four right-angles Opposite sides parallel Rotational Symmetry of order 2 2 pairs of equal length sides 5

7. What Quadrilateral am I? I have… One pair of parallel sides Some have a line of symmetry Many don’t! 6

8. What Quadrilateral am I? I have… 2 lines of symmetry Opposite sides parallel Rotational Symmetry of order 2 All sides of equal length 2 pairs of equal angles Diagonals bisect at right-angles 7

9. Answers…

10. What Quadrilateral am I? I have… Rotational symmetry of order 2 No lines of symmetry Opposite sides parallel Two pairs of equal angles PARALLELOGRAM 2 SQUARE RECTANGLE PARALLELOGRAM RHOMBUS

11. What Quadrilateral am I? I have… Four right-angles Opposite sides parallel Rotational Symmetry of order 4 All sides of equal length SQUARE 3 RECTANGLE SQUARE RECTANGLE

12. What Quadrilateral am I? I have… Diagonals that intersect at right-angles One line of symmetry 2 pairs of adjacent sides of equal length 1 internal angle that is reflex ARROWHEAD 4 SQUARE RHOMBUS KITE ARROWHEAD KITE ARROWHEAD KITE ARROWHEAD

13. What Quadrilateral am I? I have… Four right-angles Opposite sides parallel Rotational Symmetry of order 2 2 pairs of equal length sides RECTANGLE 5 SQUARE RECTANGLE SQUARE RECTANGLE

14. What Quadrilateral am I? I have… One pair of parallel sides Some have a line of symmetry Many don’t! TRAPEZIUM 6

15. What Quadrilateral am I? I have… 2 lines of symmetry Opposite sides parallel Rotational Symmetry of order 2 All sides of equal length 2 pairs of equal angles Diagonals bisect at right-angles RHOMBUS 7 SQUARE RHOMBUS SQUARE RHOMBUS SQUARE RHOMBUS SQUARE RHOMBUS