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

Writing the formula for the nth term of a sequence Whiteboard exercise Play

Yoko's and Lena's savings Student activity Play

Yoko's savings Whiteboard exercise Play