Quadrilaterals Shapes with 4 sides! We are all quadrilaterals. We all have 4 sides. Remember just like a quad bike.

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Presentation transcript:

Quadrilaterals Shapes with 4 sides!

We are all quadrilaterals. We all have 4 sides. Remember just like a quad bike.

Quadrilateral investigation

20cm

10cm

Quadrilaterals

Cut along the red lines. Arrange the shapes to make another shape.

How many quadrilaterals can you make? How many triangles can you make? How many squares can you make? `

What shape is this?

A Square

How many lines of symmetry has a Square got?

Properties of a Square  Has 4 equal sides  Has 4 equal angles  Each angle is a right angle  Has 4 lines of symmetry  Is a regular shape

What shape is this?

A Rectangle

How many lines of symmetry has a Rectangle got? 1 2

Properties of a Rectangle  Has 2 pairs of equal sides  Has 4 equal angles  Each angle is a right angle  Has 2 lines of symmetry  Is an irregular shape

Quadrilateral Family parallelogram rectangle rhombus square

What shape is this?

A Parallelogram

How many lines of symmetry has a Parallelogram got? None!

Properties of a Parallelogram  Has 2 pairs of equal sides  Has 2 pairs of equal angles  Opposite sides are parallel  Has NO lines of symmetry  Is an irregular shape

What shape is this?

A Rhombus

How many lines of symmetry has a Rhombus got? 21

Properties of a Rhombus  Has 4 equal sides  Has 2 pairs of equal angles  Opposite sides are parallel  Has 2 lines of symmetry  Is an irregular shape

Trapezium A two-dimensional shape with four sides. One pair of sides is parallel with one side longer than the other.

Kite A two-dimensional shape with two shorter sides of equal length and two longer sides of equal length.

Quadrilaterals Shapes with 4 sides!