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Level 3-4 Shapes - Names of Shapes
Can you name all the shapes?

Level 3-4 Shapes - Names of Shapes

Learn the names and properties of 2D shapes. Spot triangles, quadrilaterals, and polygons, identify sides and angles, and describe symmetry in clear, KS3-friendly language.

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Fascinating Fact:

Irregular polygons have sides and angles of different lengths, often seen in nature or art.

In KS3 Maths, “Names of Shapes” introduces common 2D polygons and their features. You will classify triangles and quadrilaterals, use correct shape vocabulary, describe symmetry, and link names to real examples.

  • Polygon: A flat, closed shape made from straight line segments.
  • Regular polygon: A polygon with all sides equal and all angles equal.
  • Quadrilateral: Any four sided polygon, such as a square, rectangle, kite, or trapezium.
What is a polygon in KS3 maths?

A polygon is a 2D shape made of straight sides joined end to end to form a closed figure, for example triangles, quadrilaterals, pentagons, and hexagons.

How can I tell a regular polygon from an irregular polygon?

A regular polygon has all sides and all angles equal. If any sides or angles differ, it is an irregular polygon.

What are the names of four sided shapes?

Four sided shapes are quadrilaterals. Common types include square, rectangle, rhombus, parallelogram, kite, and trapezium (a trapezoid in some countries).

1 .
Which of the following is one-dimensional?
A circle
A sphere
A straight line
A triangle
A straight line only has length
2 .
A two-dimensional shape with straight sides is called a what?
Polyester
Polygon
Polygraph
Polymath
The word comes from the Greek words for 'many' and 'angles' (but today we think more in terms of 'many' and 'sides')
3 .
If two lines are 'perpendicular', they are .......
always the same distance apart
at right angles to each other
in the same direction
very slightly curved
They meet at 90 degrees
4 .
How many faces does a square-based pyramid have?
3
5
7
9
A pyramid has 4 triangular faces and 1 square face
5 .
'Reflective or line', 'rotational' and 'plane' are all types of what?
Angles
Mirrors
Prisms
Symmetry
Rotational symmetry means a 2-D shape can be rotated and still look the same, like a square
6 .
A two-dimensional shape has something that a one-dimensional straight line does not have. What is it?
Area
Charisma
Symmetry
Volume
To work out the area you limes length x width. A one-dimensional straight line has no width and so no area
7 .
A square, a rectangle, a parallelogram, a rhombus, a kite and a trapezium are all examples of what?
Quadratic formula
Quadriceps
Quadrilaterals
Quadrophenia
A quadrilateral is a polygon with four corners or vertices and four sides or edges. A quadrilateral is sometimes known as a tetragon for consistency with pentagon (5-sided), hexagon (6-sided) and so on
8 .
What is defined as 'a polygon with three corners or vertices and three sides or edges'?
Pyramid
Quadrilateral
Trapezium
Triangle
A 3-sided shape is of course a triangle
9 .
The flat surface of a solid is referred to as what?
Corner
Edge
Face
Line
A cube has six faces
10 .
Three-dimensional solids have something that two-dimensional shapes do not. What is it?
Variety
Vogue
Voltage
Volume
It is found in cubes, spheres, cylinders and pyramids for example
You can find more about this topic by visiting BBC Bitesize - Shapes

Author:  Frank Evans (Specialist 11 Plus Teacher and Tutor)

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