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Daily MathemaGrids

Solve a random Easy, Medium, Hard Japanese logic puzzle chosen from today's collection.
Note: If the puzzle doesn't look as it should try using 'Compatibility Mode'.





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© Kevin Stone

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MathemaGridsNotes

  • Objective / Rules
    - Complete the grid using all of the digits 1 to 9.
    - When completed all of the sums must be correct.
    - The sums are solved strictly left to right, up to down, and the normal order of mathematical operations is ignored.
    - For example 2 + 5 x 9 is calculated as 2 + 5 first, then x 9 = 63.
    - There are no ÷ 1 in the puzzle.
    - There are no x 1 in the puzzle (although there might be 1 x)
    - At no point will any calculation go below zero.

  • Help
    Read the help/walkthrough page on MathemaGrids for a more detailed explanation and a walkthrough.

  • Keyboard Usage
    Entering more than one digit will reduce the font size, this allows you to enter multiple numbers, or your own code to help solve the puzzle.

  • Checking
    If you click 'Check' the system will check for incorrect squares. If 'Show mistakes when checking' is checked they will be marked in red.

  • Uniqueness
    Each puzzle has exactly one solution. If you think you've found another solution, then please double check the rules. If you still think you've found another solution, then please email us and we'll try to help.

  • JavaScript
    This game requires JavaScript to be enabled.

 

 



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