2-D representations of 3-D objects on triangular dotty paper Student activity Play

A range of sizes Animation Play

An angle congruent to a given one Student activity Play

An angle congruent to a given one Whiteboard exercise Play

Angle bisector Student activity Play

Angle bisector Animation Play

Angles between lines in 3-D objects Student activity Play

Angles between lines in 3-D objects Whiteboard exercise Play

Area of the trapezium Animation Play

Arrangement of different objects Animation Play

Arrangement of indistinguishable objects Animation Play

Arrangements of the objects Animation Play

Arrangements of the objects Animation Play

Building 3-D objects with cubes Whiteboard exercise Play

Building 3-D objects with cubes Student activity Play

Charging objects Class activity Play

Charging objects Whiteboard presentation Play

Chord bisector goes through the centre Student activity Play

Circles inscribed and circumscribed around a trapezium Student activity Play

Coloured objects Student activity Play

Compare the volume of 1 mole of gas with some familiar objects Illustration Play

Comparison of different objects Animation Play

Congruence of triangles Class activity Play

Congruence of triangles Whiteboard presentation Play

Congruency of figures Whiteboard exercise Play