A cyclic quadrilateral Student activity Play

A figure Animation Play

A figure Student activity Play

A figure Animation Play

A figure Simulation Play

A figure Whiteboard exercise Play

A figure surrounded by straight lines Whiteboard exercise Play

A figure surrounded by straight lines Student activity Play

A figure under reflection in the coordinate system Animation Play

A symmetrical triangle on squared paper Whiteboard exercise Play

A symmetrical triangle on squared paper Student activity Play

An area problem Student activity Play

An area problem Whiteboard exercise Play

An enlargement Simulation Play

An interesting result Student activity Play

An interesting result Whiteboard exercise Play

Angles in a cyclic quadrilateral Student activity Play

Angles in a cyclic quadrilateral Whiteboard exercise Play

Area of a square Student activity Play

Area of figures Whiteboard exercise Play

Area of rectangles Class activity Play

Area of rectangles Whiteboard presentation Play

Area of the floor Whiteboard exercise Play

Areas of figures Whiteboard exercise Play

Areas of figures Student activity Play