Year 2
Maths
Measurement and Space
AC9M2SP01
Properties of 2D Shapes
Students identify and describe 2D shapes by their number of sides, corners, and symmetry.
What You Need to Know
Students identify and describe 2D shapes by their number of sides, corners, and symmetry.
Key Concept Diagram
Counting sides and corners
Curved versus straight sides
Lines of symmetry
Classifying shapes by properties
Key Vocabulary
vertex
a corner where two sides of a shape meet (plural: vertices)
side
a straight line forming part of a 2D shape
symmetry
when one half of a shape is a mirror image of the other
polygon
a closed 2D shape with straight sides
Knowledge Check
Select the correct answer for each question. Click "Check Answer" to see if you are right.
Question 1
How many sides does a hexagon have?
Question 2
Which shape has no straight sides?
Question 3
A square has how many lines of symmetry?
Key Concepts Summary
- ●Counting sides and corners
- ●Curved versus straight sides
- ●Lines of symmetry
- ●Classifying shapes by properties