Literacy
Maths crossword maker
Maths crossword settings
Quick guide
How it works
Make a printable crossword whose clues are sums. Choose how many calculations you want, which of addition, subtraction and multiplication to draw from, and how large the numbers may get; the generator writes the calculations itself, interlocks the answers into a numbered grid and prints the sums as the Across and Down clues. Nothing to type. Download the result as an A4 or US Letter PDF with an answer key.
Pick the operations and the number range, press regenerate for a different set, then download the PDF.
Choose how many calculations, and which of addition, subtraction and multiplication to draw from.
Set the number range — both numbers in every calculation come from it, so it sets both the difficulty and the length of the answers.
Press regenerate until you like the draw, then download the PDF with its answer key.
Teaching tip
Using these worksheets in teaching
A maths crossword is arithmetic practice with a self-marking property built in: a wrong answer of the right length still breaks the crossings, so a student finds their own mistake before you do. That makes it better as fluency practice than as an introduction — the sheet assumes the method and drills the recall. It also rewards working out of order, because a crossing letter narrows the next answer before it is calculated, which is closer to how estimation actually gets used than a column of sums is. Print it with the answers box on for a class meeting a new range for the first time, and off once the range is familiar.
Frequently asked questions
Where do the calculations come from?
The generator writes them, from the settings on the page: your chosen operations, your number range, and a seed. Nothing is typed and nothing is fetched — the same settings and the same seed always produce the same sheet, which is why a share link reproduces a puzzle exactly rather than approximately.
Why is there no division?
Because a division that does not come out exactly has no answer to write in the squares, and one that does is a multiplication fact in a different order. Restricting the draw to whole-number divisions would have quietly narrowed the number range to whatever divides cleanly, so the sheet offers addition, subtraction and multiplication and says so.
Can two calculations have the same answer?
No, and that is deliberate. Two entries sharing an answer would give the grid two identical words, so a student who solved one could write it into either — an ambiguity in a puzzle whose whole promise is that each answer belongs in one place. The generator redraws until every answer is distinct.
What does the number range change?
Both numbers in every calculation are drawn from it, so it sets how hard the arithmetic is and how long the answers are. A narrow low range gives mostly one- and two-digit answers, which cross less often and make a sparser grid; widening it lengthens the answers and gives the grid more places to interlock. If several answers cannot be placed, widening the range is usually the fix.
Which year levels is this for?
Anywhere from the year addition and subtraction inside twenty are fluent up to the end of primary — the sheet is the same shape at every level, and the number range and the operations are what move. Two-digit addition with the multiplication switched off makes an early sheet; the times tables with a range of 2 to 12 makes a tables drill that does not look like one.
Is there an answer key?
Yes. The completed grid prints on a second page of the same PDF, so you can mark the sheet without working through the calculations yourself.
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Last reviewed: July 2026. Worksheet content is generated by deterministic algorithms and covered by automated correctness tests — no AI-generated answers.