Fifteen

A numerical strategy game

The objective is to choose three numbers that will add up to 15. Click a number to begin.

1
2
3
4
5
6
7
8
9

Noughts and Crosses

  First Type Wins Record
X
O
Draws

The computer strategy should be:    

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There is a set of printable cards to go with this activity.

Worksheet

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Apple

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The javascript for this game above was adapted from code made public by Stephen Ostermiller
(GNU General Public License as published by the Free Software Foundation).