Reflection symmetry of a figure in the coordinate system Whiteboard exercise Play

Regression line Class activity Play

Regression line Whiteboard presentation Play

Regular polygons – the dodecagon Student activity Play

Regular polygons – the square Simulation Play

Regular polygons – the square Student activity Play

Ruler-and-compass constructions Class activity Play

Ruler-and-compass constructions Whiteboard presentation Play

Satellite television Student activity Play

Satellite television Slideshow Play

Sense and line of direction of the velocity vector Animation Play

Set of points in a coordinate system Whiteboard exercise Play

Set of points in a coordinate system Student activity Play

Sides of a line Whiteboard exercise Play

Sides of a line Student activity Play

Sides of the triangles Animation Play

Similar functions – similar graphs Student activity Play

Similar functions – similar graphs Whiteboard exercise Play

Simplified formula for Pearson's coefficient Student activity Play

Simultaneous equations Class activity Play

Simultaneous equations Whiteboard presentation Play

Slope of a line Student activity Play

Slope of a line Whiteboard exercise Play

Solving equations using graphs Whiteboard presentation Play

Solving equations using graphs Class activity Play