The sum of an infinite series – a definition Student activity Play

The sum of an infinite series – a definition Whiteboard exercise Play

The sum of infinite geometric series Whiteboard exercise Play

The term-to-term definition of the sequence Whiteboard exercise Play

The terms of the Fibonacci sequence Whiteboard exercise Play

The terms of the sequence Whiteboard exercise Play

The  nth term rule for the geometric sequence Whiteboard exercise Play

Tossing a coin – a case study Student activity Play

Tossing five fair coins Animation Play

Transcription Student activity Play

Transcription Slideshow Play

Transformation machine Animation Play

Translation Animation Play

Translation Student activity Play

Triangular numbers Student activity Play

Triangular numbers Student activity Play

Triangular numbers Whiteboard exercise Play

Using arithmetic series to identify the sequence Whiteboard exercise Play

Using the nth term rule Whiteboard exercise Play

Using the nth term rule Student activity Play

Using the nth term rule for a geometric sequence Student activity Play

What is the nth term of a sequence? Whiteboard exercise Play

Which term of the sequence is it? Whiteboard exercise Play

Which term of the sequence is it? Student activity Play

Writing the formula for the nth term of a sequence Student activity Play