Describe and name polygons, including triangles and quadrilaterals
I can recognise and describe polygons including triangles and quadrilaterals.
Describe and name polygons, including triangles and quadrilaterals
I can recognise and describe polygons including triangles and quadrilaterals.
Slide deck
Lesson details
Key learning points
- The names of polygons are linked to the number of sides/vertices they have.
- A quadrilateral is any polygon with 4 sides.
- A triangle is any polygon with 3 sides.
- Squares and rectangles are quadrilaterals.
Common misconception
Children may mistake a 'triangle-like' shape for a triangle.
Provide opportunities to explore and handle cut-outs of triangles and triangle-like shapes. Describe and compare how the sides and corners feel. Touch the part of the shape that shows that it is not a triangle and explain how you know.
Keywords
Quadrilateral - A polygon with 4 sides and 4 vertices.
Rectangle - A polygon with 4 sides and 4 'square corners'.
Square - A polygon with 4 equal sides and 4 'square corners'.
Triangle - A polygon with 3 sides.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
Loading...
Worksheet
Starter quiz
6 Questions
Exit quiz
6 Questions
have 3 vertices and 3 straight sides
have 4 vertices and 4 straight sides
