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KS2 Maths Year 4 – 4a Types of Shapes

Types of Shapes

There are many different types of shapes which you already recognise and can name, but sometimes we have to be really specific so we know what shapes we are talking about.

Triangles

There are several different types of triangles and ways to classify them. We use either the sides or the angles to decide which type of triangle we have.

See the diagram to see the different classifications of triangles.

triangles

Quadrilaterals

Quadrilaterals are shapes with four sides. ‘Quad’ means four in Latin (the language used by the Romans). There are lots of different types of quadrilaterals, and they are all linked in special ways.

See the diagram below to see the classification of quadrilaterals.

quadrilaterals_1

Quadrilaterals

Triangles

What can we do now?

Now that you can classify different types of triangles and quadrilaterals you can answer many different questions! Have a go at these ones:

1)  A rectangle is a special type of which shape? Is it a parallelogram, a rhombus or a square?

2)  What is the difference between a rhombus and a kite?

3)  True or False? A trapezium must have only one pair of parallel sides

HYPERLINKS

  1. Triangles
  2. Quadrilaterals
  3. Making shapes with string

Click here for Year 4 Maths Home Page

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National Curriculum

Pupils should learn to:

  • compare and classify geometric shapes, including quadrilaterals and triangles, based on their properties and sizes
  • identify acute and obtuse angles and compare and order angles up to two right angles by size
  • identify lines of symmetry in 2-D shapes presented in different orientations
  • complete a simple symmetric figure with respect to a specific line of symmetry.
  • describe positions on a 2-D grid as coordinates in the first quadrant
  • describe movements between positions as translations of a given unit to the left/right and up/down
  • plot specified points and draw sides to complete a given polygon.

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