You may also like

problem icon

Geoboards

This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

problem icon

Polydron

This activity investigates how you might make squares and pentominoes from Polydron.

problem icon

Tiles on a Patio

How many ways can you find of tiling the square patio, using square tiles of different sizes?

Rope Mat

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

I have a square table-mat made from rope that spirals from the centre. It is rather like this one:




The mat is a $14$ centimetre square. The rope is $2$ cm wide.

How many centimetres of rope will I need to make another mat just like it?

How much rope would I need to make a $12$ cm square, or a $16$ cm square?

Is there a quick way to work this out?


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. More information on many of our other activities can be found here.
Copyright © 1997 - 2012. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.