Year 3

Year 3

# To Identify and Describe Lines of Symmetry in 2-D Shapes

## Lesson details

### Key learning points

1. In this lesson, we will look in detail at the definition of symmetry and how to recognise this in familiar 2D shapes. This will build on our work on the properties of 2D shapes.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
3D shapes are...
all cubes
big
blue
Correct answer: shapes with 3 dimensions
Q2.
What is this 3-D shape called?
cube
cuboid
Triangular prism
Q3.
How many vertices does this shape have?
2
4
6
Q4.
How many faces does this shape have?
2
4
6
Q5.
Which shape have 2 circular faces that are parallel?
cube
Cone
square-based pyramid

## Exit quiz

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### 4 Questions

Q1.
True or false - this line shows symmetry?
False
Q2.
How many lines of symmetry does this shape have?
1