- Year 4
Know that the perimeter is the distance around a 2D shape
I know that the perimeter is the distance around a 2D shape.
- Year 4
Know that the perimeter is the distance around a 2D shape
I know that the perimeter is the distance around a 2D shape.
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Lesson details
Key learning points
- Perimeter is a measurement of length.
- Perimeter is the distance around a 2D shape.
Keywords
Perimeter - The distance around a 2D shape.
Common misconception
When finding the perimeter of a shape, pupils may count one side twice, or not count one of the sides.
Examples and non-examples of perimeter are given but encourage pupils to mark a 'start point' when they find the perimeter of a shape, so that they know where to end.
To help you plan your year 4 maths lesson on: Know that the perimeter is the distance around a 2D shape, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 4 maths lesson on: Know that the perimeter is the distance around a 2D shape, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 2 maths lessons from the Perimeter unit, dive into the full primary maths curriculum, or learn more about lesson planning.
Licence
Prior knowledge starter quiz
6 Questions
Q1.Which of these shapes has string around its outline?

Q2.Which of these symbols means ‘greater than’?
Q3.Which of these shapes are 2D shapes?




Q4.Is this a 2D shape? Select the best answer and reason.

Q5.Number rods have been used to make polygons. Which ones are polygons?



Q6.Which 2D shapes can you see on this football pitch?

Assessment exit quiz
6 Questions
Q1.Which of these is the definition of perimeter?
Q2.Which of these are true of perimeter?
Q3.Which of these shows the perimeter of the triangle?




Q4.In terms of perimeter, which of the statements are true of this image?

Q5.In terms of perimeter, which of the statements are true of this image?

Q6.Order the shapes according to their perimeter, starting with the shortest perimeter.
