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Shape
Pairs
Each pair is an edge shared by two pieces: the question goes on one side, the answer on the other.
How do I write formulas?
Write a formula between dollar signs (LaTeX). Click an example to add it to the last selected field.
To write a dollar sign itself, use \$.
Distractors optional
They go on the outer edges of the puzzle. Otherwise a blank edge gives away that a piece belongs on the border.
Options
Paste pairs from a table
Copy two columns (question and answer) from Excel or Google Sheets. When typing by hand, separate the halves with a semicolon: 2 + 3; 5