2D shapes and their properties

There are 151 NRICH Mathematical resources connected to 2D shapes and their properties
Tied up
problem

Tied up

Age
14 to 16
Challenge level
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How much of the field can the animals graze?
Triangle or No Triangle?
problem

Triangle or No Triangle?

Age
5 to 7
Challenge level
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Here is a selection of different shapes. Can you work out which ones are triangles, and why?
Name That Triangle!
problem

Name That Triangle!

Age
7 to 11
Challenge level
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Can you sketch triangles that fit in the cells in this grid? Which ones are impossible? How do you know?
Guess \my Quad
problem

Guess \my Quad

Age
11 to 14
Challenge level
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How many questions do you need to identify my quadrilateral?
Completing Quadrilaterals
problem

Completing Quadrilaterals

Age
11 to 14
Challenge level
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We started drawing some quadrilaterals - can you complete them?
Towering Trapeziums
problem

Towering Trapeziums

Age
14 to 16
Challenge level
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Can you find the areas of the trapezia in this sequence?
What Shape for Two
problem

What Shape for Two

Age
7 to 14
Challenge level
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'What Shape?' activity for adult and child. Can you ask good questions so you can work out which shape your partner has chosen?
Shape Draw
problem

Shape Draw

Age
7 to 11
Challenge level
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Use the information on these cards to draw the shape that is being described.
Hidden Squares
problem

Hidden Squares

Age
11 to 14
Challenge level
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Can you find the squares hidden on these coordinate grids?
Gym Bag
problem

Gym Bag

Age
11 to 16
Challenge level
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Can Jo make a gym bag for her trainers from the piece of fabric she has?