Entropy as a measure of the disorder of a system Student activity Play

Entropy change in the surroundings Animation Play

Enzymes Student activity Play

Enzymes in the digestive system Simulation Play

Equal number of votes Animation Play

Equal numbers Whiteboard exercise Play

Equal numbers – wrong steps in proof Whiteboard exercise Play

Equally accurate rounding Student activity Play

Equation of a circle in the coordinate system Animation Play

Equation of any circle Simulation Play

Equations of curves Whiteboard presentation Play

Equations of curves Class activity Play

Equations with brackets Whiteboard exercise Play

Even and odd nuclei Whiteboard exercise Play

Even and odd nuclei Student activity Play

Even and odd number of negative signs Whiteboard exercise Play

Evolution of stars Whiteboard presentation Play

Evolution of stars Class activity Play

Evolutionary development of the nervous system of invertebrates Slideshow Play

Example as a proof Student activity Play

Example of solving a rational equation Animation Play

Example of solving a system of linear equations by elimination Animation Play

Example of solving a system of linear equations by substitution Animation Play

Example of using an algebraic expression Whiteboard exercise Play

Examples of square roots Animation Play