Perimeter

There are 38 NRICH Mathematical resources connected to Perimeter
Rod Area
problem

Rod Area

Age
7 to 11
This task challenges you to create symmetrical U shapes out of rods and find their areas.
Perimeter Challenge
problem

Perimeter Challenge

Age
11 to 14
Challenge level
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Can you deduce the perimeters of the shapes from the information given?
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.
Through the Window
problem

Through the Window

Age
7 to 11
Challenge level
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My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?
Polydron
problem

Polydron

Age
7 to 11
Challenge level
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This activity investigates how you might make squares and pentominoes from Polydron.
Perimeter Possibilities
problem

Perimeter Possibilities

Age
11 to 14
Challenge level
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I'm thinking of a rectangle with an area of 24. What could its perimeter be?