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This picture is taken from a CD-ROM of photographs with activities for mathematics teaching. Published as Mathematical World in America and as Problem Pictures in the UK, Europe and Australasia. |
Dominoes with nine spotsA normal set of dominoes has 28 tiles and the largest is "double six." This special domino set has more tiles and the largest is "double nine." How many tiles does it have? You can buy domino sets going up to "double twelve." How many tiles would these sets have? A normal set of dominoes can be matched up to make a continuous chain that uses all the tiles. Why is this impossible with the set in the photograph? B72 |
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The photographs and screen images on this website are copyright and may not be reproduced without permission. Copyright © Richard Phillips 2001/2007. Page updated 13 May 2005. |
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