# Addition Game & Subtraction Game in One - Tac Tix

Subjects
2nd, 3rd, 4th, 5th, 6th
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12.48 MB   |   18 pages

### PRODUCT DESCRIPTION

Addition Game & Subtraction Game in One - Tac Tix is a strategic thinking game for two players. Each player takes turns to remove a counter or counters from the board. The winner of the game is the one who forces their opponent to remove the last counter.

What you Need:

2 players
1 game board
16 counters

Preparation:

- Place 16 counters over the numbers on the board.
- Decide on the number to practice adding or subtracting e.g. If 10 is selected then 10 is added or subtracted to each number when uncovered.

How to Win:

- Force your opponent to remove the last counter.

How to Play:

1. The person with the longest little finger goes first. Take turns going first in the following games.
2. Player 1 removes 1, 2, 3 or 4 adjacent (side by side) counters from along one of the straight lines. The player then answers the algorithms revealed.

NB A player may not remove a series of pieces if there is an empty space between the pieces.

3. Player 2 then does the same.
4. Play continues until one player is forced to remove the last counter.

Variations:

- Only answer the last algorithm revealed by each player on their turn.
- Change the number to be added or subtracted e.g. 4, 5, 6, 7, 9, 8, 11 etc

To Note:

- I like starting this game by adding and subtracting 10 then move on to other numbers.

Before the Game:

- Use a Hundreds Chart to explore patterns for adding and subtracting ten from a number and other strategies.

- Discuss possible efficient strategies for adding & subtracting 10 and other numbers

During the Game:

- Monitor the players to see which strategies they are using.

After the Game:

- Where to next?

Extension:

- Mathematicians have studied this game for a very long time and have figured out there is a way for the person who moves second to always win. Try to discover this method.

Hint: The winning strategy has something to do with removing pieces which are 'symmetrically opposite'.

- Search the Internet for an online version of this game i.e. Play this game against a computer.
- Design your own five by five or six by six board Tic Tax board.

6 full color game boards with different number arrangements
6 low color game boards with different number arrangements
1 PowerPoint file with all the color boards
1 set of rules and teaching notes

Enjoy!!!

Please Note: This game is included in my MEGA BUNDLE! - The package includedsALL the Math and Literacy games currently in my store PLUS every resource I create for the next YEAR for FREE!!! It's like a great classroom resource that just keeps on giving. :-)

PS Huge thanks to Ron Leishman for the wonderful penguins in this game.
Total Pages
18
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Teaching Duration
Lifelong Tool

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