A solution explanation should let the reader verify it

State the arrangement, then connect it to the clues or constraints it satisfies. A final answer alone does not show why it works or whether an alternative was considered, so the explanation needs more than repetition.

Reference constraints rather than merely repeating the answer. The explanation should let a reader verify why the proposed solution is valid.

Check the constraints in the account

State the answer. Reference each constraint. Check alternatives.

An arrangement explanation can cite which clue fixes each pairing.

Have all constraints been checked? Use annotated diagrams.

An answer key alone may not explain reasoning.

Resources

• Puzzle Partner Challenge — Use the four-by-four puzzle to discuss deductions from the stated constraints.

Further reading

• Australian Curriculum Version 9 — Critical and Creative Thinking

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