Welcome to this week’s Math Munch! We’re taking a look at several Tic-Toe-Toe related items.
To the right you can see a little Tic-Tac-Toe puzzle I found here. If the board below shows a real game of Tic-Tac-Toe, then which player moved first? Think. Think!!
Now let’s talk about the basic game itself. Tic-Tac-Toe is fun for new players, but at some point, we can all get really good at it. How good? Well, there’s a strategy, which if you follow without making mistakes, you will never lose! Amazing, right? So what’s the strategy? The picture below shows half of it. Here’s how to play if you’re X and get to move first. (instructions below.)
Strategy for X (1st player)
“Your move is given by the position of the largest red symbol on the grid. When your opponent picks a move, zoom in on the region of the…
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