Printable 6 × 6 Calcudoku: medium puzzles with answers

Six 6 × 6 Calcudoku grids with addition, subtraction, multiplication and division. A step up from 4 × 4 and 5 × 5 for solvers who know the rules. Put 1 to 6 once in every row and column.

Make a worksheet

Choose the puzzles, generate them, check the preview, then print. Each A4 page has name, date and class lines, numbered puzzles with room to work, and cryptarithm.com with the page number at the bottom; an answer key can follow on the last page.

Creating puzzle…

Play a puzzle