How to be a Shape Detective

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How to be a Shape Detective
Year 4 objectives. Describe and visualise 3 D and
2 D shapes classify them according to their
properties.

• Produced by Sue Bolton
• Greenway First and Nursery School
• Crossways
• Berkhamsted
• Herts HP4 3NH
• boltons194_at_thegrid.org.uk

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How to be a shape detective
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Read the clues to work out the shapes
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I am a 2D shape.
I have 3 equal sides.
I have 3 equal angles.
What shape am I?
I am an Equilateral triangle!
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I am a 2D shape with 3 sides.
I have 2 equal sides.
I have 2 equal angles.
What shape am I?
I am an Isosceles triangle.
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I am a 2D shape with 3 sides.
One of my angles is a right angle.
What shape am I?
Yes, I am a right angled triangle!
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Remember
All shapes with 3 straight sides are called
triangles.
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They were easy werent they? Lets make it a bit
harder!
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I am a 2D shape.
I have 4 sides.
I have 4 corners.
I have no right angles.
My opposite sides are equal and parallel.
What shape am I?
I am a parallelogram.
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I am a 2D shape.
I have 5 equal sides.
I have 5 corners.
What am I?
I am a Regular Pentagon
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I am a 2D shape.
I have 7 sides.
I have 7 corners.
What shape am I?
Did you guess my name?
A Heptagon
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I am a 2D shape.
I have 10 sides.
I have 10 corners.
What am I?
Did you guess my name?
A Decagon
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I am a 2D shape.
I have 8 sides.
I have 8 corners.
Do you know my name?
An Octagon
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I am a 2D shape.
I have 9 sides.
I have 9 corners.
Do you know my name?
A Nonagon
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I am a 2D shape.
I have 6 sides.
I have 6 corners.
What am I?
A Hexagon
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Well, how did you do?
All the shapes so far have been 2D shapes. Do you
know what 2D means?
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2D means two dimensional
2D shapes are shapes that you can draw on a flat
surface, like a piece of paper.
Now you are on the way to being a great shape
detective!