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Addition Game - Achi - Doubles, Doubles Plus One and Much More

Addition Fact Practice

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Addition Game - Achi - Doubles, Doubles Plus One and Much More. Addition Games - 10 Math game boards for Addition Fact Practice! Ideal for Math centers, homework and peer tutoring.

  • Price: $4.50

Details

Addition Game - Achi is an Addition Game adapted to teach Addition Facts. Achi originated in the West African country of Ghana. It is played by the Asante people. Their children often draw the board in the dirt with sticks and use pebbles as the game pieces. 


How to Win:

Be the first player to get three of your game pieces in a row either horizontally, vertically, or diagonally.

What You Need:

4 counters of one colour
4 counters of another colour
1 game board

How to Play:

1. The player with the shortest hair goes first.
2. Player One places a counter on any of the nine algorithms and states the question and answer aloud.
3. Player Two then places one of their counters on one of the remaining algorithms then states the question and answer.

NB When each player places a counter they are doing so with the aim of getting three of their counters in a row either vertically, horizontally or diagonally. They are also placing their counters to prevent their opponent getting three of their counters in a row.

4. If all the counters are placed on the board and no one has achieved three in a row then players take turns sliding one of their pieces one along the line to the vacant space. (Pieces cannot be slid until all counters are in play)

5. Play continues in this fashion until one player gets three counters in a row and wins the game. 


addition practice game



Tips and Tricks:

- Have students play best of 5 matches.
- Have a stalemate rule.
- Have a repeated position rule where if a player repeats the same move three times the game is a draw.

Before the Game:

- Plenty of work with concrete materials to ensure the students have a thorough understanding of the way the algorithms and the real world are connected.
- Plenty of discussion that models the language of Addition e.g What is the sum of these two numbers? 'add', put with', 'plus, combined', 'equals' etc.
- Plenty of calculator play e.g. Teachers says an algorithm, the students input it but before they press equals attempt to answer the problem and then press
equals to confirm their answer. Students need to see the calculator as a learning tool rather than a crutch. 
- What fact will you make an effort to commit to memory today?

During the Game:

- While the students are playi the game do plenty of discussion on how they arrived at their answers. Eg - When doing Doubles Facts, 'Do you prefer to double the smaller number and plus one or double the bigger number and subtract 1?'
- If find (insert strategy) helps me get the answers faster, how about you try it and see if it works for you.


addition practice



After the Game Discussion: 

- Why do we focus on number strategy in these games rather than count one at a time?
- Why are these facts called. Doubles, Doubles Plus One, Doubles plus 2?
- How could we prove being able to 'see it, say it' is more effective than counting one number at a time?
- When calculating answers is it necessary to go, 'Gee, That's a double plus one fact'? etc Why?
- Take a game you know and convert it so it is a fun way to practise doubles, doubles plus one, doubles plus 2, adding 10, adding nine, Play it with another class in the school.

Possible Journal Reflections: 

- What did you find easy today?
- What did you find difficult today?
- What do you need to...
- Today I explored... and found out....
- I think it is important to know about... because...
- I think students should learn about (insert idea) because...
(NB Because it is in the test is WRONG!!!) hehehe
- I think the work we did today built on the work we did on ..... because (explain how)...
- I know... because....
- Today I figured out...
- Explain your thinking when...
- What patterns did you use/discover today that makes .... easier
- Make a conjecture based on your findings.
- What does math really consist of?
- Does either player have an advantage? Explain your thinking.
- Do you have a strategy that makes sure you win when you use it?

Enjoy!!!

Game Boards Included in this Download:

- Doubles
- Doubles + 1
- Doubles + 2
- Friends to 10
- Friends to 20
- Adding 10
- Adding 9

Availability: In stock

Our Price: $4.50

Quick Overview

Addition Game - Achi is an Addition Game adapted to teach Addition Facts. Achi originated in the West African country of Ghana. It is played by the Asante people. Their children often draw the board in the dirt with sticks and use pebbles as the game pieces. 

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Our Price: $4.50