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A Leg to Stand On

Age 11 to 14
ShortChallenge Level Yellow starYellow star
Secondary curriculum
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Answer: 32

Count the legs around each table:

 

So there are 3 + 16 + 6 = 25 legs for each table.

206 legs - the 6 legs of the staff = 200 legs

200 legs = 8 tables

8 tables require 32 chairs.






This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.

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15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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