Dividing two bars of chocolate Animation Play

Division into two parts in a given ratio Student activity Play

Do any two balls attract one another? Student activity Play

Do any two balls attract one another? Whiteboard exercise Play

Elementary events – two spiners Whiteboard exercise Play

Elimination the extreme values Animation Play

Energy (calorific) values for some common fuels Chart Play

Energy values of fuels Slideshow Play

Energy values of organic compounds Chart Play

Enthalpy of combustion and energy values of fuels Slideshow Play

Equality of two ratios: proportion Whiteboard exercise Play

Equality of two ratios: proportion Whiteboard exercise Play

Equality of two ratios: proportion (1) Student activity Play

Equality of two ratios: proportion (2) Student activity Play

Equation with two unknowns Whiteboard exercise Play

Equations in two variables Student activity Play

Equations in two variables Whiteboard exercise Play

Equations with two unknowns Student activity Play

Exact values of trigonometric ratios Animation Play

Exact values of trigonometric ratios for selected angles Student activity Play

Exact values of trigonometric ratios for selected angles Animation Play

Example of the quotient of two functions Animation Play

Exercises about the ratio of two quantities Student activity Play

Finding a formula for a composition of two linear functions Whiteboard exercise Play

Finding intersection points of two circles Whiteboard exercise Play