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It's Player 1's turn.

Make a calculation from these four numbers. Your target is one of the unclaimed numbers on the grid.

Welcome to the BIDMAS Game

The objective is to claim cells in the grid (on the right) by making calculations from the four numbers on the dice.

The first player to get four cells in a row is the winner.

Player 1: RED

Player 2: BLUE

Number of players:

Use all four numbers.



You can claim a trophy for winning this game.

This is a game that can be played by two to four players or teams. It can also be played by individuals challenging themselves to create a line of four cells in the grid on the right of the screen. The winner is the first player to claim a line of four cells either horizontally, vertically or diagonally. A Transum virtual trophy is available for the winner.

If a fixed amount of time is available for playing this game an alternative way of determining the winner (assuming a line of four cells is not claimed by either player) is by finding the sum of the cells claimed by each player after an equal number of turns. The highest sum wins.

The BIDMAS Game would make a worthwhile yet exciting 'Finisher' for a Mathematics lesson. If pupils do not have their own computing devices if could be played with this page projected for all to see. A teacher versus the class game would motivate pupils to work together to find solutions while learning from the elegant and creative solutions the teacher produces!

The game was orininally designed for those learning about the order of operations in Mathematics.

People have found that the acronym BIDMAS is a useful way to remember the order of operations. Just don't forget that after brackets and indices, multiplication and division should be calculated in the order they appear from left to right. The same is true for addition and subtraction.

  • Brackets,
  • Indicies,
  • Division,
  • Multiplication,
  • Addition,
  • Subtraction.

Try this BIDMAS online exercise.


Carshalton Boys, Twitter

Friday, July 1, 2016

Emma Holtshausen, Twitter

Friday, October 20, 2017

Dubai English Speaking School, Twitter

Wednesday, January 24, 2018

Mr. Awelewa., The Priory Preparatory School, Lekki Lagos, Nigeria

Tuesday, June 26, 2018

"This is a fantastic learning tool. Children in my class enjoyed it tremendously today."

Liz Bradley, Twitter

Thursday, August 23, 2018

Kenton College Prep School, Nairobi

Friday, September 13, 2019

"The class love this activity and play it whenever they can, which means their number skills have improved."

Ben Winter, Winterteach

Wednesday, June 14, 2023

I'm really enjoying BIDMAS connect 4 with my students.
Would it be possible to add another of brackets? This would allow a wider range of solutions.
Keep up to great work!

[Transum: Thanks for the suggestion Ben. I'll have to work on a better algorithm enabling the software to evaluate more complex expressions - which may take some time!]"

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.


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