An example of a proof Student activity Play

Compose a proof Student activity Play

Compose a proof Whiteboard exercise Play

Counterexamples Whiteboard exercise Play

Counterexamples and proofs Student activity Play

Counterexamples and proofs Whiteboard exercise Play

Different ways of proving Animation Play

Different ways of proving – example as a proof Whiteboard exercise Play

Example as a proof Student activity Play

Example as a proof Whiteboard exercise Play

Mathematical statements Whiteboard presentation Play

Mathematical statements Class activity Play

Proof Animation Play

Statements Whiteboard exercise Play

Statements Student activity Play

The assumptions and the claim Animation Play

The assumptions and the claim of the theorem Whiteboard exercise Play

The counterexample Whiteboard exercise Play

The hidden assumptions Animation Play

Theorems Student activity Play

Theorems Whiteboard exercise Play

True or false? Animation Play

Types of reasoning Animation Play

Types of reasoning I Student activity Play

Types of reasoning II Student activity Play