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"Another game which is isomorphic (same strategies) to noughts and crosses is the game of “15”. The numbers 1 to 9 are written on cards. Players take it in turns to take a card. The first person who can make a total of 15 with the cards they have is the winner. Transum,
"A nice starter - we then extended the idea to the general case of an nxn grid and used some algebra as well." Miss Mears, Stockport
"Surely there are only three ways that the first cross can be placed: centre, side or corner. In any meaningful analysis of the game the sides are all identical and should not be distinguished." Mark, New Zealand
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Keywords: Starter
| Combinations
| Puzzles
If you arrange the nine numbered cards to form a magic square you will see the similarities with noughts and crosses."
Sunday, October 07, 2007
Tuesday, November 06, 2007
Monday, January 14, 2008
Good, achieved the results I required
Satisfactory
Didn't really capture the interest of the students
Not for me! I wouldn't use this type of activity.
This starter has scored a mean of 2.4 out of 5 based on 16 votes.
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