Roemer's proof Whiteboard exercise Play

Roemer's proof Student activity Play

Role of bacteria in digestion and in the production of vitamins Whiteboard exercise Play

Role of bacteria in digestion and in the production of vitamins Student activity Play

Role of bile in lipid digestion Animation Play

Role of bile in lipid digestion Whiteboard exercise Play

Role of bile in lipid digestion Student activity Play

Roots of a polynomial Student activity Play

Rounding a number Animation Play

Saprotrophic organisms – fungi Student activity Play

Satellite navigation systems Student activity Play

Second-order reaction Animation Play

Second-order reactions Student activity Play

Seeing Student activity Play

Small steps Whiteboard presentation Play

Small steps Class activity Play

Solution of the equation ax 2 + bx = 0 Student activity Play

Solution of the equation ax 2 = b Student activity Play

Solution of the quadratic equation Whiteboard exercise Play

Solution of the quadratic equation – example Animation Play

Speed Whiteboard exercise Play

Speed Student activity Play

Speed and a graph Whiteboard exercise Play

Speed and a graph Whiteboard exercise Play

Speed and a graph Student activity Play