Ready to put the naked triple technique into action? This page is designed for you to practice and master naked triples with real Sudoku puzzles.
Every board above is a position from a real puzzle where the Naked Triple is the next step. Tap the candidates it removes (or select a cell and press the digit) and press Check. If you’re stuck, Show me gives the answer and Next puzzle loads another. Want to watch one first? Switch to Worked example.
Quick Reminder: What is a Naked Triple?
A naked triple occurs when three cells in a row, column, or box contain only the same three candidates (in any combination). When you spot a naked triple, you can eliminate those three candidates from all other cells in that house.
Want a full step-by-step guide? Read the Naked Triple technique article
How to Practice
- Scan each row, column, and box for three cells that contain only the same three candidates (in any combination).
- Eliminate those three candidates from all other cells in that house.
- On the board, tap each of those candidates to remove it.
- Press Check. On your first try you see how many you found; on the second, the ones you missed get a dashed ring.
Start Practicing on Full Puzzles
Once you can find the Naked Triple on most boards without pressing Show me, take it into a full game. Hard puzzles are where this technique starts to come up, and the step-by-step solver will name the technique each time you get stuck.