New
New
Year 1
Explore, discuss and compare 2D shapes
I can explore, discuss, compare and sort 2D shapes.
New
New
Year 1
Explore, discuss and compare 2D shapes
I can explore, discuss, compare and sort 2D shapes.
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Lesson details
Key learning points
- Use everyday language to compare shapes e.g. wide, narrow, tall, short.
- Be able to count the sides and vertices of different 2D shapes.
- Understand how to sort shapes into two sets based on 'is' and 'is not' criteria.
- Be able to guess sorting rules by looking at how shapes have been sorted into two sets.
Keywords
Sides - The straight edges around the outside of a 2D shape.
Vertices - The corners of a 2D or 3D shape, where two or more edges or sides meet.
Rectangle - A 2D shape with 4 straight sides and 4 vertices.
Triangle - A 2D shape with 3 straight sides and 3 vertices.
Common misconception
Children may not recognise a 2D shape when it is presented in a different orientation.
Allow children to handle cut-outs of 2D shapes so they can rotate them and explore how the shapes look in different orientations.
Avoid exploring further quadrilaterals for now and focus on rectangles, along with triangles and circles. Have cut-outs of 2D shapes (although not 2D) for the children to explore throughout so they can touch the sides and vertices as they count.
Teacher tip
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).Lesson video
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Starter quiz
Download starter quiz
6 Questions
Q1.
Which shape is a rectangle?
B
C
Q2.
Which shape has a side missing?
A
B
Q3.
Which shape is the same shape as this one?
B
C
Q4.
Which shape is the same shape as this one?
A
C
Q5.
Who has the widest present?
Q6.
True or false? There are 4 triangles.
False
Exit quiz
Download exit quiz
6 Questions
Q1.
How many vertices does this shape have?
3
5
Q2.
How many sides does this shape have?
4
5
Q3.
True or false? This shape has 4 sides.
False
Q4.
True or false? This shape has 4 vertices.
True
Q5.
Which shape is in the wrong set?
Q6.
Who has chosen the best sorting rule for these sets?
