THE PLAYBOOK · SLTPPF
How to play Calcudoku
A round of Calcudoku at SLTPPF begins with understanding the objective. Fill a 4×4 Latin square and satisfy every cage arithmetic target. The learning focus here is build a repeatable approach, supported by the rule notes below.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Build a repeatable approach
Try a consistent sequence of observing, choosing and checking the result. Keep the sequence even when the position or challenge changes.
Your goal
Fill a 4×4 Latin square and satisfy every cage arithmetic target.
Step by step
- Select a square and enter 1–4.
- Combine all cage digits using its shown operation.
- Subtraction uses the absolute difference.
- Check puzzle verifies the entire grid.
Controls
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
A useful example
A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
Watch out for this
A correct cage total does not permit duplicate digits in a row.
Common questions
What completes a round?
Fill a 4×4 Latin square and satisfy every cage arithmetic target.
Which controls should I use?
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
What can I play here?
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Does play involve an account or cash?
No. Play is free, without registration, deposits, bets or cash prizes.
