Puzzle 1: Arrange the given digits to make three 3 digit numbers such that the second is double the first and the third is three times the first. 4 digits have been positioned already.
×2=
×3=
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Puzzle 1: Arrange the given digits to make three 3 digit numbers such that the second is double the first and the third is three times the first. 4 digits have been positioned already.
1
2
3
4
5
6
7
8
9
Double Treble is based on a puzzle called Digital Multiplication described in the book Hoard of Mathematical Treasures by Ian Stewart. There are many other puzzles similar to this to be found on the Maths Puzzles page. |
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Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician? Comment recorded on the 10 April 'Starter of the Day' page by Mike Sendrove, Salt Grammar School, UK.: "A really useful set of resources - thanks. Is the collection available on CD? Are solutions available?" Comment recorded on the 28 May 'Starter of the Day' page by L Smith, Colwyn Bay: "An absolutely brilliant resource. Only recently been discovered but is used daily with all my classes. It is particularly useful when things can be saved for further use. Thank you!" |
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Featured ActivityPolygon Pieces Arrange the nine pieces of the puzzle on the grid to make the given polygon. Level one is for those learning the names of shapes while other levels are for those who like a challenge! |
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Go MathsLearning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths main page links to more activities designed for students in upper Secondary/High school. | |||||
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