Approximation of the number e Whiteboard exercise Play

Are all trigonometric functions really necessary? Student activity Play

Are the two triangles similar? Animation Play

Are two polygons similar? Animation Play

Areas of similar figures Student activity Play

Arithmetic progression Whiteboard exercise Play

Arithmetic progression (a reminder) Student activity Play

Arithmetic progression – finding the first term and the difference Whiteboard exercise Play

Arithmetic sequence Whiteboard presentation Play

Arithmetic sequence Class activity Play

Arithmetic series Class activity Play

Arithmetic series Whiteboard presentation Play

Arithmetic series – activities Student activity Play

Arithmetic series – activity Whiteboard exercise Play

Arithmetic series – activity Whiteboard exercise Play

Arithmetic series – activity Whiteboard exercise Play

Arithmetic series – activity Whiteboard exercise Play

Arithmetic series – exercise Whiteboard exercise Play

Balls in boxes Student activity Play

Be smart in multiplying Animation Play

Building the sequence Whiteboard exercise Play

Calculating the nth term of a sequence Student activity Play

Calculating the nth term of a sequence Simulation Play

Changing the subject of the formula – more complex examples Student activity Play

Common factor Whiteboard exercise Play