Visible-clue single survivor
Visible-clue single survivor grows by changing representation, numeric range, constraint count, distractors, language load, and transfer context.
Variation ladder
1Foundation recognitionThe simplest observable decision behind Visible-clue single survivor.
2Guided strategyScaffolded model before the final decision.
3Core taskDirect solution of the target task.
4Transfer formSame mathematical idea through a shifted representation or context.
5Challenge extensionExtra reasoning step or explanation after the core answer.
6Advanced enrichmentConcept-level extension inspired by enrichment sources, rewritten as original content.
Hints and checks
Decision restated without adding a new method.
Common slip nudge: Tests a few cases and assumes the pattern is proved.
One useful scaffold after help is requested.