Calcudoku — 5x5 grid

Download 8 free printable 5x5 grid calcudoku as PDFs. Every puzzle is computer-checked for a single valid solution. No sign-up.

⬇ Download all 8 as one PDF — free, no sign-up

These 5x5 grid calcudoku are completely free to download as print-ready PDFs. There is no sign-up, no email wall and no pop-ups — click a sheet to open its PDF, or grab everything in one file with the button above.

They suit a range of ages and abilities, and you are welcome to print as many copies as you need for your own classroom or family. Puzzles are generated in code and each one is verified to have exactly one solution — no broken puzzles. An answer key is on the last page.

5x5 hard Calcudoku puzzle number 1 — free printable logic puzzle Calcudoku 5x5 — Puzzle 1 (Hard)Download PDF ↓ 5x5 hard Calcudoku puzzle number 2 — free printable logic puzzle Calcudoku 5x5 — Puzzle 2 (Hard)Download PDF ↓ 5x5 hard Calcudoku puzzle number 3 — free printable logic puzzle Calcudoku 5x5 — Puzzle 3 (Hard)Download PDF ↓ 5x5 hard Calcudoku puzzle number 4 — free printable logic puzzle Calcudoku 5x5 — Puzzle 4 (Hard)Download PDF ↓ 5x5 hard Calcudoku puzzle number 5 — free printable logic puzzle Calcudoku 5x5 — Puzzle 5 (Hard)Download PDF ↓ 5x5 hard Calcudoku puzzle number 6 — free printable logic puzzle Calcudoku 5x5 — Puzzle 6 (Hard)Download PDF ↓ 5x5 hard Calcudoku puzzle number 7 — free printable logic puzzle Calcudoku 5x5 — Puzzle 7 (Hard)Download PDF ↓ 5x5 hard Calcudoku puzzle number 8 — free printable logic puzzle Calcudoku 5x5 — Puzzle 8 (Hard)Download PDF ↓

Related printables

Calcudoku — 3x3 gridCalcudoku — 4x4 gridCalcudoku — 6x6 grid

Frequently asked questions

Is this really free?
Yes. Every printable on Ready Set Printables is free to download and print. There is no charge, no account and no email required.
Are the puzzles checked for errors?
Yes. Each puzzle is generated and verified in code to have exactly one valid solution, so there are no unsolvable or ambiguous puzzles.
Do I have to sign up or give my email?
No. Click any sheet to open the PDF, or use the “Download all as one PDF” button. Nothing is gated.
Can I use these in my classroom?
Yes. You may print as many copies as you like for your own classroom or home. Please don’t re-sell the files or re-host them as your own.
What do I need to print them?
Any home or school printer and standard US Letter paper. The PDFs are black-and-white friendly to save ink where possible.