The cost of pencils Whiteboard exercise Play

The cube of a number Whiteboard exercise Play

The cube of a number Student activity Play

The cube root of a number Whiteboard exercise Play

The cube root of a number Student activity Play

The debt is decreasing Whiteboard exercise Play

The debt is increasing Whiteboard exercise Play

The debt is increasing. The debt is decreasing Student activity Play

The definition of a geometric sequence Student activity Play

The diagram of an arithmetic progression Whiteboard exercise Play

The diagram of an arithmetic progression Student activity Play

The digits in a four-digit PIN number Whiteboard exercise Play

The discriminant of a quadratic equation Student activity Play

The distance between the centres of circles Student activity Play

The distance formula in 3-dimensional space Whiteboard exercise Play

The distribution of the rational numbers over the number line Animation Play

The electron spin quantum number Animation Play

The energy of beta particles Animation Play

The energy of car fuel Student activity Play

The enumeration method Student activity Play

The enumeration method Simulation Play

The equal numbers Whiteboard exercise Play

The equal probabilities Whiteboard exercise Play

The experiments with the arithmetic progression Chart Play

The exponential law of decay Illustration Play