Daily MathemaGrids 

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Note: these puzzles all have a similar difficulty level, take a look at the information about the difficulty levels.

All daily items change at midnight GMT. set time zone

You can also view the previous daily puzzles.

previous puzzles

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• Complete the grid using all of the numbers from 1 to 9.
• When completed, all of the sums must be correct.
• The sums are solved strictly from left to right, and top to bottom.
• The normal order of mathematical operations is ignored.
• For example, 2 + 5 x 9 is calculated as (2 + 5) x 9 = 63.
• ÷ 1 does not appear in the puzzle.
• x 1 does not appear in the puzzle, although there might be 1 x.
• At no point will any calculation go below zero, or become fractional.

Read the help page on Daily MathemaGrids for the rules, a more detailed explanation, and a walkthrough.

help

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Keyboard Options

• If you are using a device without a physical keyboard, the on-screen keyboard is numeric.
• 'use default' ➞ use the default, non-numeric keyboard.
• 'add / remove' ➞ add / remove characters, entering the same character again will remove it (by removing all duplicates and sorting).

Pencil Marks

• Pencil marks are squares with more than one digit or letter.
• They are similar to those you might use with pen and paper.
• A square might contain more pencil marks than can be seen.

Checking

• 'check' ➞ check for incorrect squares.
• 'show mistakes' ➞ highlight incorrect squares when the puzzle is checked.
• What is checked:
     a single number that isn't the same as the answer,
     squares with pencil marks are not checked.
• Correct sums are automatically highlighted.
• Only the numbers from 1 to 9 are considered when checking each sum.

Uniqueness

• This puzzle has exactly one correct answer.
• No guesses are required.
• Double-check alternative answers carefully, and then recheck the rules.