Understand the nature of inductive proof including the use of initial statement, assumption statement, inductive step and conclusion.

u3-t2-s1-d1

2 interactives — choose one

Three sum proofs by induction

explainer

Three similar induction proofs (triangular numbers, sum of odds, powers of 2) sharing the same claim → base → assume → step → conclude skeleton.

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Label the parts of a proof by induction

explainer

Optional follow-on after a full proof — sort shuffled statements into base case, assumption, inductive step and conclusion.

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Describe the interactive you’d like — same inbox as applet feedback, tagged as a request for this syllabus id.