Analysing the assumptions of a theorem Animation Play

Facts and assumptions Student activity Play

Facts and assumptions – algebraic expressions Whiteboard exercise Play

Facts and assumptions – algebraic inequalities Whiteboard exercise Play

Facts and assumptions – prime numbers Whiteboard exercise Play

Facts and assumptions – the sum of the numbers Whiteboard exercise Play

Necessity of assumptions Whiteboard exercise Play

Necessity of assumptions Student activity Play

Problem assumptions Class activity Play

Problem assumptions Whiteboard presentation Play

Proofs and assumptions Whiteboard exercise Play

Proofs and assumptions Student activity Play

The assumptions and the claim Animation Play

The assumptions and the claim of the theorem Whiteboard exercise Play

The hidden assumptions Animation Play

Theorem – assumptions and claim Student activity Play

Theorem – assumptions and claim Whiteboard exercise Play

Theorems and their assumptions in algebra Student activity Play

Theorems and their assumptions in algebra Whiteboard exercise Play

Theorems and their assumptions in geometry Whiteboard exercise Play

Theorems and their assumptions in geometry Student activity Play