Rotational symmetry Student activity Play

Rotational symmetry of order 4 Simulation Play

Rotational symmetry of order 6 Simulation Play

'Rounded' Pythagorean theorem Animation Play

Ruler-and-compass constructions Whiteboard presentation Play

Ruler-and-compass constructions Class activity Play

Ruler-and-compass constructions, locus (2) Class activity Play

Ruler-and-compass constructions, locus (2) Whiteboard presentation Play

SAS property of similar triangles Whiteboard exercise Play

SAS property of similar triangles Student activity Play

Scale factor Student activity Play

Sectors and segments Whiteboard exercise Play

Sectors and segments Student activity Play

Sequences formed by dividing by a fixed number Whiteboard exercise Play

Sequences formed by dividing by a fixed number Student activity Play

Shape factor Whiteboard exercise Play

Shape factor Student activity Play

Shape factor Animation Play

Shapes bounded by arcs Whiteboard exercise Play

Shapes bounded by arcs Student activity Play

Shapes bounded by arcs and segments Whiteboard exercise Play

Shapes bounded by arcs and segments Student activity Play

Shapes in a graphic calculator Simulation Play

Shapes in graphic calculators Student activity Play

Ships Animation Play