Building a demonstration from a proof Student activity Play

Building a demonstration from a proof Whiteboard exercise Play

Building a proof from a demonstration Student activity Play

Building a proof from a demonstration Whiteboard exercise Play

Constructing a proof from a demonstration Whiteboard exercise Play

Constructing a proof from a demonstration Student activity Play

Demonstration of a theorem Animation Play

Demonstration of the formula for the area of a triangle Whiteboard exercise Play

Demonstration or proof? Student activity Play

Demonstration or proof? Animation Play

Different sources of secondary data Student activity Play

Experimental demonstration of the greenhouse effect Simulation Play

Is a practical demonstration reliable? Whiteboard exercise Play

Is a practical demonstration reliable? Student activity Play

Proof and demonstration of a theorem Animation Play

Proof and demonstration of the formula for the area of a triangle Student activity Play

Reliability of demonstration Animation Play

Sources of secondary data Animation Play

The more reliable source Whiteboard exercise Play

Understanding the theorem Class activity Play

Understanding the theorem Whiteboard presentation Play