# Circle Area and Circumference (metric)

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Resource Type
Common Core Standards
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375 KB|15 pages
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Circle Area and Circumference
Pi Day Maths Fun Secret Code Breaker Activity

This is a fun secret code Area and Circumference of circles Pi Day activity.
Questions involve using the area and circumference formulas for circles – to find area and circumference and also in reverse to find the radius and diameter.
It can be printed in black and white or colour.

There is a sheet with a set of circles - you are given just 1 piece of information for each circle – these are the clues. Each circle represents a letter of the alphabet.
There are 5 worksheets to go with the clues. Each worksheet has a set of questions to solve to find the correct circles and their corresponding letters.
The letters form an anagram. Unscramble the letters to find the answer to each “Pi” related question.

This activity is suitable to use for a fun GCSE revision session for both foundation and higher levels.
It can also be used for Key Stage 3 and 4.

All measurements are in centimetres.
Calculators are required.

This resource is 15 pages in total.
(There are 6 pages to print for the students – the circle key sheet and 5 worksheets.)

Please visit Math Shop to see more of my resources.
Total Pages
15 pages
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\$3.50