Exterior angles in a triangle – proof Animation Play

Exterior angles in quadrilaterals Student activity Play

Exterior angles in quadrilaterals Whiteboard exercise Play

Exterior angles in quadrilaterals – a game Game Play

Exterior angles of a triangle Student activity Play

Factors affecting bond enthalpy Animation Play

Factors affecting mean bond enthalpies Animation Play

Factors affecting the frequency of bond vibration Animation Play

Factors explaining of the huge number of carbon-containing compounds Animation Play

Fats Class activity Play

Fats Whiteboard presentation Play

Fatty acids Student activity Play

Figures made up from four strips Animation Play

Find the angle Whiteboard exercise Play

Finding angle Whiteboard exercise Play

Finding angle Whiteboard exercise Play

Finding angle – obtuse triangle Whiteboard exercise Play

Finding angles Whiteboard exercise Play

Finding angles Student activity Play

Finding angles Student activity Play

Finding angles Whiteboard exercise Play

Finding angles Whiteboard exercise Play

Finding angles Student activity Play

Finding angles in a triangle Whiteboard exercise Play

Finding angles in a triangle Student activity Play