Resolution of optical devices Student activity Play

Resolution of optical devices Animation Play

Rhombuses Simulation Play

Rhombuses and squares Student activity Play

Road in the coordinate system Animation Play

Rotating a half-turn – symmetry with respect to a point Student activity Play

Rotation in the coordinate system Student activity Play

Rotation in the coordinate system Whiteboard exercise Play

Rotations Student activity Play

Rotations Whiteboard exercise Play

Ruler-and-compass constructions, locus (1) Class activity Play

Ruler-and-compass constructions, locus (1) Whiteboard presentation Play

Satellite television Student activity Play

Scientific notation – remedial Animation Play

Secrets of functions Animation Play

Segments Whiteboard exercise Play

Selected physical properties of oxides Chart Play

Sequence of proteins and point mutations Animation Play

Simple and giant molecular solids Whiteboard presentation Play

Simple and giant molecular solids Class activity Play

Simultaneous equations Class activity Play

Simultaneous equations Whiteboard presentation Play

Skew lines Student activity Play

Slope of a line Whiteboard exercise Play

Slope of a line Student activity Play