The precision of the mid-ordinate rule Chart Play

The reasons for the flow of induced current Animation Play

The rule for the sum of a convergent geometric series Whiteboard exercise Play

The rule for the sum of a convergent geometric series Student activity Play

The rule in the general form Student activity Play

The sequence and its terms Whiteboard exercise Play

The similar terms marked wrong Whiteboard exercise Play

The sine rule Class activity Play

The sine rule Whiteboard presentation Play

The sine rule (the law of sines) Student activity Play

The sine rule and construction of a triangle Animation Play

The transformed point's image Class activity Play

The transformed point's image Whiteboard presentation Play

The trapezium rule Animation Play

The trapezium rule Student activity Play

The trapezium rule Student activity Play

The weight in pounds and the weight in kilograms Whiteboard exercise Play

The  nth term rule for the geometric sequence Whiteboard exercise Play

Transformation machine Animation Play

Translations along the x-axis – the rule Student activity Play

Translations along the x-axis – the rule Whiteboard exercise Play

Translations along the y-axis – the rule Whiteboard exercise Play

Translations along the  y-axis – the rule Student activity Play

Trapezium rule for a different number of sub-intervals Animation Play

Two billiard balls collisions and the velocity vectors Whiteboard exercise Play